Pentax Film Camera 645N2 User Manual

OPERATING MANUAL  
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1
TABLE OF CONTENTS  
LCD panel indication..............................................3  
Viewfinder indication..............................................3  
Names of working parts.....................................4, 5  
Safe use of your camera........................................6  
Precautions for your camera..................................8  
Precautions for battery usage................................9  
Setting the film speed (ISO) ...............................24  
Unloading the film ................................................25  
Unloading the film in mid-roll ...............................26  
Installing the eyecup ............................................27  
Adjusting the viewfinder diopter...........................28  
II. BASIC OPERATION (SHOOTING) ........29 - 37  
Using the Programmed AE Mode ........................30  
Using the Multi (6) - segment metering mode .....31  
Using the autofocus mode...................................32  
Using the Single AF Mode ...................................33  
Using the 3-point AF mode ..................................34  
Using the Single-Frame Drive Mode....................34  
Holding the camera..............................................35  
Taking a picture....................................................36  
I. BASIC OPERATION (PREPARATION) ...10 - 28  
Attaching the camera strap..................................11  
Loading the batteries ...........................................12  
Turning on the power...........................................14  
• When the batteries are exhausted................15  
Attaching the lens ................................................16  
Attaching/Detaching the film holder 645..............18  
Depressing the shutter release button.................20  
Film loading..........................................................20  
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2
III. ADVANCED OPERATION ......................38 - 83  
Selecting a Drive Mode........................................38  
• Consecutive - Frame Mode...........................38  
• Self-Timer Mode............................................39  
Taking multi-exposure pictures ............................40  
Selecting an Exposure Mode...............................42  
• Using the Programmed AE Mode .................42  
• Using the Aperture-Priority AE Mode ............44  
• Using the Shutter-Priority AE Mode ..............46  
• Using the Metered Manual Mode..................48  
• Using the Bulb Exposure Mode ....................50  
About Exposure Compensation ...........................52  
Using the Auto Bracketing Mode .........................53  
Switching the Metering Mode ..............................55  
• Center-weighted Metering Mode...................55  
• Spot Metering Mode......................................56  
Using the AE Lock ...............................................57  
Setting the focus mode in the Continuous  
Using the Spot AF Mode......................................59  
Focus Lock Function............................................60  
Manual focusing...................................................61  
Imprinting the exposure data on the negative .....64  
Using a Pentax Dedicated External Flash...........68  
Daylight-sync shooting.........................................72  
Slow-speed-sync shooting...................................73  
Using the preview lever .......................................74  
Mirror lock-up.......................................................75  
Pentax Function...................................................76  
Accessories (Optional) ........................................83  
• Interchangeable focusing screens ................84  
IV. OTHERS..................................................86 - 92  
Troubleshooting ...................................................86  
Specifications.......................................................88  
Warranty policy ....................................................90  
position. ...............................................................58  
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3
LCD PANEL INDICATION  
VIEWFINDER INDICATION  
D
ISO  
: Frame Counter (p.22)  
: Film Speed Information (p.24)  
ISO : Film Status Information (p.24)  
: 3-point AF Frame (p.34)  
: Spot Metering / Focusing Area (p.56, 59)  
: Shutter Speed (p.42, 45, 47, 49)  
: Aperture Value (p.42, 45, 47, 49)  
: Flash Status Information (p.68)  
: In-Focus Indicator (p.36)  
: Battery Exhaustion Warning (p.15)  
: Imprinting Exposure Data Information (p.64)  
D
LCD (Liquid-Crystal Display)  
: Exposure Compensation (p.52)  
: Bar Graph (p.49, 52)  
: AE lock (p.57)  
When the LCD is exposed to high temperatures over  
approximately 60°C it may blacken, but when the temper-  
ature normalizes, it should return to normal.  
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4
NAMES OF WORKING PARTS  
q AF mode selector (p.33, 58)  
2
w Exposure compensation dial (p.52)  
e Exposure compensation dial release button  
(p.52)  
1
3
r Auto bracketing selector (p.53)  
t Hotshoe (p.68)  
20  
4
19  
18  
y Shutter speed dial release button  
u Lens information contacts  
i Lens unlock button (p.16)  
o Preview lever (p.74)  
5
6
17  
16  
! Drive mode selector (p.34, 38, 39)  
! Shutter release button (p.20)  
! Release socket (p.51)  
7
! Up / down buttons  
8
15  
14  
! AE lock button (p.57)  
! Main Switch (p.14)  
9
! LCD panel (p.3)  
! Metering mode selector (p.31, 55, 56)  
! AF frame selector (p.34, 59)  
! Diopter adjustment ring (p.28)  
@ Shutter speed dial  
10  
13  
12  
11  
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5
NAMES OF WORKING PARTS  
@ Battery holder release knob  
21  
@ External power supply socket (p.13)  
@ Tripod socket (p.35)  
22  
32  
@ Vertical tripod socket (p.35)  
@ Multi-exposure switch (p.40)  
@ X-sync socket  
23  
@ Strap lug (p.11)  
31  
30  
@ Film holder (p.18)  
@ Film holder release knob (p.18)  
# Mid-roll wind-up button (p.26)  
# Electronic cable release socket (p.51)  
# Battery holder (p.12)  
24  
27  
29  
25  
26  
28  
27  
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6
FOR SAFE USE OF YOUR CAMERA  
Although we have carefully designed this camera for safe operation, please be sure to follow precautions  
given on this page.  
WARNING This mark indicates precautions that, if not followed, could result in  
serious injury to the operator.  
CAUTION This mark indicates precautions that, if not followed, could result in  
minor or medium injury to the operator or damage to the equipment.  
WARNING  
CAUTION  
Wrapping the strap around your neck is dangerous.  
Make sure that small children do not get the strap  
caught around their neck.  
Never try to disassemble, short or recharge the bat-  
tery. Also, do not dispose of the battery in fire, as it  
may explode.  
Do not look directly at the sun through the camera, as  
viewing the sun for an extended period may damage  
your eyes.  
Remove the batteries from the camera immediately if  
they become hot or begin to smoke. Be careful not to  
burn yourself during removal.  
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7
PRECAUTIONS FOR YOUR CAMERA  
Your Pentax camera is a high-precision mecha-  
nism. Handle it with great care.  
Regular size color prints may cut off what appears on  
the extreme edges of the film frame. Compose your  
picture with a margin of safety at the edges.  
Precautions when taking pictures  
Do not use the camera where it may come in contact  
with rain, water, or any other liquid, because the cam-  
era is not weather, water, or liquid resistant. Should  
the camera get wet from rain, splashing water, or any  
other liquid wipe it off immediately with a dry soft cloth.  
Do not drop the camera or allow it to hit solid objects.  
If the camera suffers a shock or impact, take it to a  
Pentax service center for inspection.  
Precautions for storage  
Avoid leaving the camera for extended periods in  
places where the humidity and temperature are very  
high, such as in a car.  
Do not store the camera in a closet with mothballs or  
in an area where chemicals are handled. Store it in a  
place with good dry air circulation to prevent the  
growth of fungus.  
Be careful not to subject the camera to strong vibra-  
tions, shock or pressure. Use a cushion to protect the  
camera when carrying it in a motorcycle, car, boat,  
etc.  
Precautions for proper care  
Never touch the shutter curtain or mirror with your fin-  
ger or any other object.  
Condensation on the interior or exterior of the camera  
may be extremely harmful to the camera mechanism  
as it may cause rust. Furthermore, if the camera is  
taken from warm temperature to a subfreezing one or  
vice versa, the formation of ice crystals may cause  
damage. In such a case, put the camera into a case  
or plastic bag so that any changes in temperature dif-  
ference is minimized. Do not remove it from the bag  
until temperature has stabilized.  
Use a blower and lens brush to remove dust accumu-  
lated on the lens or viewfinder.  
Never use solvents such as paint thinner, alcohol or  
benzene to clean the camera.  
Electrical problems may often be caused by water, dirt  
or dust at points of electrical contact. Also check for  
battery leakage, traces of dirt or grease, or corrosion  
due to salinity or gas. If you cannot correct the prob-  
lems, have your camera inspected at a Pentax service  
center. Repairs of this nature are not covered under  
the terms of the warranty and charges may be  
assessed.  
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8
Other precautions  
Repairs deemed necessary due to usage of this  
product in an industrial or commercial application  
may not be covered under the terms of the Pentax  
warranty.  
The PENTAX warranty provides only for the repair  
of defects in materials or workmanship. Damage of  
any kind cannot be repaired at no charge under the  
terms of the warranty. If the difficulty is caused as a  
direct result of the product being used in conditions  
as outlined in the Precautions for Your Camera”  
section or any other operation contrary to the  
instructions outlined in this manual, charges will be  
assessed and a repair quotation will be provided.  
The temperature range at which this camera func-  
tions properly is 50°C to -10°C (122°F to 14°F).  
A camera which has been submerged in water usu-  
ally cannot be repaired. If such an accident should  
occur, it is advisable to contact a Pentax Service  
Center immediately.  
To maintain optimum performance, it is recom-  
mended that the camera be inspected every one or  
two years. If the camera has not been used for an  
extended period, or is being prepared for an impor-  
tant photographic session, it is recommended that  
you have the camera inspected or test shoot with it.  
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9
PRECAUTIONS FOR BATTERY USAGE  
Use six 1.5V AA size alkaline, or lithium batteries.  
Misuse of the battery can cause hazards such as leakage, overheating, explosion, etc. The battery should be  
inserted with the +and -sides facing correctly.  
Battery performance may be temporarily hindered in low temperatures, but will recover in normal temperatures.  
Keep a spare battery on hand for replacement convenience when shooting outdoors or while traveling.  
Replace the batteries at the same time. Do not mix battery brands, type or an old battery with a new one. As this  
may cause explosion or overheating.  
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10  
Icon indicators used in this manual  
Operation direction  
Attention  
Lamp blinking  
I. BASIC OPERATION  
(PREPARATION)  
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11  
ATTACHING THE CAMERA STRAP  
1
2
3
1. Using a coin or similar object slide the clasp  
in the direction of the arrow.  
2. Put the clasp onto the strap lug of the camera  
with the arrow indication facing out, and slide  
the lock plate back to the original position.  
3. To remove the strap, repeat step 1.  
Adjust the length of the strap with the buckle.  
After fitting the strap and adjusting the length, pull  
the strap hard to confirm that the strap has secure-  
ly attached to the camera.  
There is a pocket on the strap so you can store a  
small accessory.  
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12  
LOADING THE BATTERIES  
1
2
3
1. To remove the battery holder, lift the battery  
holder release knob and turn it in the direc-  
tion of the arrow.  
3. To secure the battery holder, turn the battery  
holder release knob in the direction of the  
arrow.  
2. Load six 1.5V AA-size batteries in the battery  
holder in accordance with the diagram locat-  
ed in the battery holder.  
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13  
This camera requires battery power for operation. Always use six 1.5V AA size batteries.  
The ISO film speed and number of exposed frames are unchanged if the batteries are replaced.  
Keep spare batteries on hand when shooting out doors or while traveling.  
Use of the optional Remote Battery Pack 645 and Power Cord 645 is recommended when the camera is  
to be under the extremely low temperatures.  
Replace all the batteries at the same time. Do not mix battery brands, types or old batteries with new.  
Remove batteries when not using the camera for long periods of time as the batteries may leak after time.  
Battery Life  
[20°C/68°F]  
Battery Life  
[10°C/14°F]  
Alkaline Battery Lithium Battery  
about 130 rolls about 320 rolls  
about 100 rolls about 250 rolls  
Alkaline Battery Lithium Battery  
120 film holder:  
220 film holder:  
120 film holder:  
220 film holder:  
about 7 rolls  
about 5 rolls  
about 120 rolls  
about 90 rolls  
Bulb exposure time about 8 hours  
about 12 hours  
Bulb exposure time about 6 hours about 10 hours  
The batteries were used under Pentax testing conditions. Actual battery life and performance may vary  
drastically depending on external conditions such as temperature and freshness of the battery.  
Battery performance may be temporarily hindered in low temperatures, but should recover in normal tem-  
peratures.  
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14  
TURNING THE POWER ON  
1
2
1. Set the main switch to [ ON ]  
2. With the main switch set to [  
], an audible  
PCV signal is heard for one of the following  
conditions.  
When the camera is not in use, make sure that the  
main switch is OFF to prevent battery drain if the  
shutter release button is accidentally depressed.  
When the subject comes into focus.  
When the film is left only one frame.  
With the mirror lock-up function set.  
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15  
* Low Battery Warning  
*
When the batteries are nearly exhausted, the bat-  
tery symbol [ ] appears on the LCD panel as a  
warning. Replace the batteries as soon as possible.  
See page 12 for replacing the batteries.  
Even if the low-battery symbol appears, exposure  
will be correct as long as the shutter can be  
released. It is recommended to replace the batter-  
ies as soon as possible.  
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16  
ATTACHING THE LENS  
1
2
2 2  
2 2  
1 0  
1 5  
1 6  
2 2  
1 1  
8
5.6  
1. Remove the body mount cap while depress-  
ing the lens unlock button.  
2. Align the red dots on the camera and lens  
mount, attach the lens to the camera body,  
and turn it fully to the right until you hear a  
click.  
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17  
3
*
2 2  
2 2  
A
A
1 6  
1 6  
2 2  
8
2 2  
8
4
4
1 6  
1 6  
4
4
8
8
1 6  
1 0  
1 5  
1 6  
1 0  
1 5  
2 2  
2 2  
f
t
f
t
m
m
3. To remove the front lens cap, squeeze the  
tabs on both sides in the direction of the  
arrow.  
* How to remove  
To remove the lens, turn it to the left while  
depressing the lens unlock button.  
With a non-autofocus lens attached, all available  
functions in this camera operate except autofocus  
operation.  
To protect the contacts and AF coupler of the lens  
against damage after removal, be sure to set the  
lens down with the mount side facing upward.  
We assume no responsibility nor liability for dam-  
ages resulting from the use of lenses made by  
other manufacturers.  
The camera body and lens mount incorporate lens  
information contacts and an AF coupler. Dirt, dust,  
or corrosion may cause damage to the electrical  
system. Clean the contacts with a soft, dry cloth.  
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18  
ATTACHING/DETACHING FILM HOLDER 645  
1
2
Detaching  
Attaching  
1. Raise the film holder knob and turn until the  
red dot markings align and a click is heard.  
Continue to turn the film holder knob to the  
end of the red line; the locking mechanism  
will release and the film holder is now  
detached from the camera body.  
2. Align the red dots on the film holder knob and  
film holder, then insert the film holder into the  
camera chamber. Depress both sides of the  
film holder until you hear a click.  
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19  
When inserting the film holder into the camera  
body, be sure that the film holder is inserted the  
right way up in order to avoid any serious damage.  
The same precaution is required when attaching  
the 220 film holder.  
3
3. Turn the film holder knob 90° to the right.  
After attaching the film holder to the camera,  
fold the film holder knob into its original posi-  
tion.  
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20  
PRESSING THE SHUTTER RELEASE BUTTON  
LOADING FILM  
The shutter release button has two positions.  
Pressing it down halfway (first position) turns  
on the exposure meter and autofocus system.  
Pressing it fully (second position) releases the  
shutter. When taking a picture, press the shutter  
release button gently to prevent camera shake.  
Spool retainer (p.21)  
Film wind gear (p.21)  
Before loading a roll of film, slowly press the shut-  
ter release button to learn where the first position  
is.  
The LCD indication stays on for about 10 seconds  
after the button is released from the halfway posi-  
tion.  
The LCD indication timer duration can be changed  
from the initial 10 seconds to 20 or 30 seconds  
with Pentax Function No.2. See page 78.  
S
Pressure plate  
Start mark (p.22)  
After loading the film, be sure to set the proper  
film speed. See page 24 for setting the film  
speed.  
Not pressed  
pressed halfway  
down  
pressed fully  
down  
(first position)  
(second position)  
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21  
1
2
3
4
S
S
1. Install the emptied spool to the spool retainer  
as illustrated.  
2. Tear off the tape and install the spool to the  
film holder so that the black inner side of the  
leading must face outwards.  
3. Draw the leader from the film roll, and insert  
the leader paper tip into the take-up spools  
slit.  
4. Slowly rotate the film winding gear in the  
direction of the arrow while lightly holding the  
leader paper.  
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22  
5
6
7
8
S
5. Wind the leader paper to the take-up spool  
until arrow marking on the leader paper aligns  
with the holders start mark S and the red line.  
6. Attach the film holder into the camera body.  
7. Set the main switch to [ON]. Release the shut-  
ter. The film automatically advances to the  
first frame. [ ] is displayed on the LCD  
panel.  
8. If the [ ] appears, indicating that the film is  
not properly loaded. Detach the film holder  
from the camera and load the film once again.  
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23  
Always load or unload a film in the shade or by  
using your body to shade the film holder.  
We suggest that you first operate the camera with-  
out film to become familiar with its operations.  
The film counter indication advances one each  
time the shutter is released.  
With a 220 film loaded, the dot marks appear  
before the arrow marking. If the dot marks align  
with the start mark on the film holder, the first 3  
frames will not be exposed.  
If the leader paper is wound far beyond the start  
mark S or the red line, you may lose the last  
frame(s) on the roll.  
The film holder cannot be changed or removed  
when the film is in mid-roll.  
15 pictures are taken with the 120 roll film and 32  
pictures are taken with the 220 roll film. The num-  
ber of taken pictures can be changed with a  
Pentax function No.9.  
With the main switch set [  
], the PCV signal  
The film counter indication can be set either  
advance with each frame or count down each  
frame with Pentax Function No.7.  
beeps for two second when the film is left only one  
frame for film depleting warning.  
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24  
SETTING THE FILM SPEED (ISO)  
1
2
3
1. Set the exposure compensation dial to the ISO  
position.  
3. After the desired film speed is set, turn the expo-  
sure compensation dial to the [ 0 ] position.  
Turn the exposure compensation dial while holding  
down the exposure compensation dial release button.  
The shutter cannot be released with the exposure com-  
pensation dial set at [ ISO ].  
The film speed setting range is ISO 6 to 6400 in 1/3 EV  
step increments.  
You can tear off the end cover of the film package indi-  
cating the type of film and speed and insert it into the  
memo holder provided on the film holder to remind you  
of the film type/speed that you are using.  
2. Press the up/down button. To set the ISO for to a  
higher film speed, press the [L] button repeatedly  
until the desired ISO appears on the LCD panel. To  
change ISO for a lower film speed, press the [L]  
button repeatedly until the desired film speed  
appears on the LCD panel.  
[ ISO ] and film speed are always displayed on the LCD  
panel with the main switch set to the ON position.  
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25  
UNLOADING FILM  
1
2
3
1. After the last frame of the roll is exposed, the  
camera will automatically wind the film and  
stops winding as soon as the back of the  
leader paper is wound to the take-up spool.  
Remove the film in the shade or by using your  
body to shade the camera.  
The number of exposed frames on the LCD panel  
disappears from the LCD panel.  
[
] on the LCD panel is displayed.  
2. Detach the film holder from the camera.  
3. While firmly holding the wound film roll, affix  
the paper seal securely on the back of the  
paper leader to prevent from accidental  
unwinding of the exposed roll.  
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26  
UNLOADING THE FILM IN MID-ROLL  
1
2
3
4
If you wish to remove the film before exposing all  
the frames, use this function.  
4. While firmly holding the wound film roll, affix  
the paper seal securely on the back of the  
paper leader to prevent from accidental  
unwinding of the exposed roll.  
1. Set the main switch to [ ON ].  
2. Press the mid-roll wind-up button fully with a  
fine-pointed object. The film will wind com-  
pletely.  
The number of exposed frames on the LCD panel  
disappears from the LCD panel.  
When removing the film from the camera, protect  
it from exposure to direct sun light.  
3. Before detaching the film holder, check that  
[
] is displayed on the LCD panel.  
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27  
INSTALLING THE EYECUP  
1
2
3
Two types of eyecups, a standard and a larger are  
provided as accessories; they may be utilized  
according to a given situation. The larger is con-  
structed of rubber and designed to fit close to the  
face for easy shooting.  
When using accessories such as the Refconverter  
645, remove the eyecup first.  
When turning the fixing screw with a coin, a large  
diameter coin is recommended to use. A small  
diameter coin touches the glass part of the eye-  
piece and causes scratching the eyepiece glass.  
To install  
1. The standard eyecup may be easily removed  
from the viewfinder by rotating the cup to the  
left.  
2. To install the larger eyecup: match the eyecup  
pin with fitting eyepiece hole.  
3. Turn the fixing screw by turning to the right  
with a coin or similar object.  
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28  
ADJUSTING THE VIEWFINDER DIOPTER  
The diopter adjustment range is +1.0D to -3.5m -1  
(per meter).  
Aim the camera at a bright subject. While look-  
ing through the viewfinder, turn the diopter  
adjustment ring to the left or right until the aut-  
ofocus frame [  
focus.  
] appears in the sharpest  
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29  
II. BASIC OPERATION  
(SHOOTING)  
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30  
USING THE PROGRAMMED AE MODE  
1
2
ft  
15  
m
10  
26 8 4 4 8 16 22  
A 22 16 11 8 5.6 2.8  
Purpose  
2. Turn the shutter speed dial to [ A ] while holding  
For easy picture taking, use this mode. In the  
Programmed AE mode, the camera automatically selects  
the best combination of aperture and shutter speed setting  
allowing you to take pictures by simply pressing the shut-  
ter release button.  
down the shutter speed dial release button. The  
shutter speed dial can be released from [ A ] in the  
same manner.  
You can shift the program line of Programmed AE Mode  
with Pentax Function No.6. See page 79 for more  
To set  
details.  
1. Turn the lens aperture ring to the [ A ] position as  
shown in the illustration.  
See page 44, 46, 48, and 50 for other available exposure  
modes.  
To move the lens aperture ring to the [ A ] position, turn  
the aperture ring while holding down the aperture-A lock  
button on the lens. The lens aperture ring can be  
released from the [ A ] position in the same manner.  
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31  
USING THE MULTI(6)-SEGMENT METERING MODE  
MULTI(6)-SEGMENT METERING  
This camera incorporates a high-precision six-segment  
TTL metering system. Light values are measured in six  
segments within the image field, enabling an optimal  
exposure to be made under a variety of lighting condi-  
tions. With conventional averaged metering systems,  
underexposure of the subject results from the brightness  
of the background affecting the overall metering. With  
multi(6)-segment metering, the camera records the bright-  
ness in six zones within the image field and uses these  
measurements to choose an exposure that will not under-  
exposed the subject. The multi(6)-segment metering sys-  
tem also calculates exposure values for a scene to auto-  
matically compensate for high-contrast and other difficult  
lighting conditions. Even a beginner can achieve excellent  
results with ease.  
In the multi(6)-segment metering mode, the meter-  
ing system automatically measures light in six dif-  
ferent zones, enabling proper exposure value in a  
wide variety of normal and adverse lighting condi-  
tions.  
Set the metering mode switch to [  
].  
The center-weighted metering mode and spot  
metering mode are also available in this camera.  
See page 55 and 56 for more details.  
When the Adapter 645 for 67 lens or Helicoid  
Extension Tube 645 attached, the center-weighted  
metering mode is automatically set even if you  
select the multi-segment metering mode. The  
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multi-segment mode cannot be used.  
32  
USING AUTOFOCUS MODE  
Switching between the autofous mode and manu-  
al focus mode depends on the lens you use. For  
more details, read the operating manual of the  
lens.  
The camera does not provide the switch for  
switching between the autofous mode and manu-  
al mode.  
MF AF  
With the Pentax 645 FA lens attached, the lens  
automatically focuses when you press the shutter  
release button halfway down.  
Set the lens in the autofocus mode.  
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33  
USING THE SINGLE AF MODE  
Continuous AF Mode is also available in this cam-  
era. See page 58.  
When you depress the shutter button, the lens auto-  
matically focuses. As soon as the subject is in  
focus, the shutter is released. For normal use,  
select this position. The shutter cannot be released  
if the subject is out of focus.  
Set the AF mode selector to [ S ].  
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34  
USING THE 3-POINT AF MODE  
USING THE SINGLE-FRAME DRIVE MODE  
In the 3-point autofocus system, the subject will be  
focused properly even if the main subject is slightly  
off-center of the AF frame.  
One picture is taken each time the shutter release  
button is depressed.  
Set the drive mode dial to [  
].  
Set the AF mode selector to [  
].  
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35  
HOLDING THE CAMERA  
Camera held horizontally  
Camera held vertically  
For best results, be sure to hold the camera correctly  
as shown in the illustrations.  
To reduce camera shake, support your body or the cam-  
era on a solid object - a table, tree, or a wall for instance.  
Although there are individual differences among photog-  
raphers, in general the shutter speed for a hand held  
camera is the inverse of the focal length. For example,  
1/75 of second when the focal length is 75mm, and  
1/150 of second when it is 150mm. A tripod should be  
used for shutter speeds slower than this.  
Hold the camera firmly, with your left hand supporting the  
camera and lens as shown in the illustrations. While tak-  
ing a picture, hold your breath and gently depress the  
shutter release button. (Sudden force on the shutter  
release button will cause camera shake, making the pic-  
ture blurred.)  
When using an ultra-telephoto lens, a tripod that is heav-  
ier than the total weight of the camera and lens is rec-  
ommended to avoid camera shake.  
This camera has provided two tripod sockets for vertical  
and horizontal format positions.  
When the tripod is used, use of an optional Cable SW  
CS-105/CS-130 or Cable Release is also recommend-  
ed.  
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36  
TAKING A PICTURE  
When the shutter release button is pressed  
halfway down, the shutter speed and aperture set-  
ting are displayed in the viewfinder.  
1
2
Select the Spot AF Mode to critically focus on a  
specific spot of the subject. See details on page  
59.  
When the subject is in focus, the audible PCV sig-  
nal can be emitted. See details on page 14.  
During autofocus operation, the focusing ring  
should not be obstructed with your fingers, hands,  
or any other object.  
Set the lent to the autofocus position.  
1. Focus on the subject with the 3-point AF  
The focus indicator [  
era is not able to obtain proper focus for one of  
the following reasons.  
] blinks when the cam-  
frame [  
]. When the shutter release  
button is pressed halfway down, the lens  
automatically focuses.  
2. When the subject is in focus, the focus indi-  
1. The subject is too close. Adjust the camera-  
to-subject distance.  
2. The subject is difficult to autofocus. See  
HARD-TO-AUTOFOCUSon page 63.  
cator [  
] lights up.  
3. To release the shutter, gently press the shut-  
ter release button fully.  
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37  
The shutter cannot be released if the subject is out  
of focus.  
The film counter indication advances each time  
the shutter is released.  
Depress the shutter release button halfway down.  
While [  
] is on, the camera-to-subject distance  
is fixed (focus lock). To refocus on another sub-  
ject, lift your finger off the shutter release button.  
If the drive mode switch is set to the Consecutive-  
Frame Mode with the Single AF Mode set, the  
camera focuses only the first picture. From the  
second picture, the pictures are taken consecu-  
tively with the focus locked at the first picture.  
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38  
SELECTING A DRIVE MODE  
Consecutive-Frame Mode  
Consecutive pictures can be taken by holding down  
the shutter release button.  
3. ADVANCED OPERATIONS  
Set the drive mode selector to [  
].  
If the AF mode selector is set to [ S ], the camera  
focuses only the first picture. From the second pic-  
ture, the pictures are taken consecutively with the  
focus locked at the first picture.  
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39  
1
2
Self-Timer Mode  
The shutter will be released about 12 seconds  
later.  
When the self-timer is in operation, the audible  
PCV signal is heard and the rate increases for the  
last two seconds.  
The self-timer mode delays the shutter release, and  
is useful for taking group shots that include the pho-  
tographer. The shutter will be released about 12  
seconds after the shutter release is pressed.  
To cancel the self-timer operation after it has been  
activated, move the drive mode selector to a posi-  
tion other than [ ] or set the main switch to the  
OFF position.  
The self-timer delay time can be set to 12 sec. or  
2 sec. (with mirror lock-up) with Pentax Function  
No. F4.  
1. Set the drive mode selector to [ ].  
2. Focus on the subject first using the autofocus  
frame and by pressing the shutter release  
button halfway down. Then press the shutter  
release button fully.  
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40  
MULTIPLE EXPOSURE MODE  
1
2
3
Procedure  
3. Press the shutter release button to shoot an  
initial exposure. The film will not advance.  
1. Turn the multi-exposure switch in the direc-  
tion of the arrow until it locks.  
2. The frame counter on the LCD panel blinks.  
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41  
4
5
4. Return the multi-exposure switch to the origi-  
nal position to cancel the multi-exposure  
mode.  
5. Recompose the frame, and depress the shut-  
ter release button to shoot the second shot.  
Notes:  
To exposure the third shot, leave the multi-expo-  
sure switch in the lock position in step 3 to shoot  
the second shot. Then return the multi-exposure  
switch to the original position. The film does not  
advance at on this stage. Depress the shutter  
release button to shoot the third shot. The film will  
advance and the single-frame shooting will be  
restored.  
When using the Multi-Exposure Mode, you usual-  
ly get the best result using a flash to illuminate the  
main subject against a dimly-lit background.  
To cancel the Multi-Exposure Mode, turn the multi-  
exposure switch to the original position.  
With the data exposure imprinting set, the data of  
the last frame is imprinted.  
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42  
SELECTING AN EXPOSURE MODE  
1
2
3
ft  
15  
m
10  
26 8 4 4 8 16 22  
A 22 16 11 8 5.6  
2
Using the Programmed AE Mode  
Purpose  
The camera automatically selects the optimum  
combination of shutter speed and aperture setting,  
making it easy to take a good photograph by just  
depressing the shutter release button.  
2. Turn the shutter speed dial to [ A ] while hold-  
ing down the shutter speed dial lock button.  
The shutter speed dial can be released from [ A ]  
to another position in the same manner as above.  
When the shutter release button is depressed  
halfway, the shutter speed and aperture setting  
will be displayed in the viewfinder.  
To set  
You can shift the program line of Programmed AE  
Mode with Pentax Function No. 4. See page 79 for  
more details.  
1. Set the lens aperture ring to [ A ].  
Turn the lens aperture ring while holding down the  
aperture-A lock button.  
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43  
* Exposure Warning  
*
If the subject is too bright or too dark, the shutter  
speed and aperture setting will blink in the viewfind-  
er. If the subject is too bright, select a darker sub-  
ject. Use a flash if the subject is too dark.  
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44  
1
2
ft  
15  
m
10  
2216 8 4 4 8 16 22  
A 22 16 11 8 5.6 2.8  
Using the Aperture-Priority AE Mode  
2. Set the shutter speed dial to [ A ].  
Purpose  
The shutter speed dial can be released from [ A ]  
to another position while holding down the shutter  
speed dial lock button.  
When the desired aperture is selected, an appropri-  
ate shutter speed is automatically set by the cam-  
era for a proper exposure. This mode is ideal for  
shooting landscapes with increased depth of field,  
or a portrait against a blurred background.  
To set  
1. Set the lens aperture ring to the desired f-stop  
other than [ A ].  
Turn the lens aperture ring while holding down the  
aperture-A lock button.  
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45  
3
4
*
ft  
15  
m
10  
2216 8 4  
4
8
16 22  
A 22 16 11  
8
5.6 2.8  
3. Set the desired f-stop.  
* Exposure Warning  
4. The f-stop that you have selected and appro-  
priate aperture indication determined by the  
camera can be seen in the viewfinder when  
the shutter release button is depressed  
halfway.  
If the subject is too bright or too dark, the selected  
shutter speed will blink in the viewfinder and on the  
LCD panel as a warning as shown. When the sub-  
ject is too bright, choose a smaller aperture, if avail-  
able; when it is too dark, choose a larger aperture,  
if available. When the shutter speed indication  
stops blinking, you can take the picture. If both  
shutter and aperture blink, it means that the expo-  
sure is out of metering range, unable to obtain a  
correct exposure even if the aperture is adjusted.  
Select a darker subject if it is too bright, or use a  
flash if it is too dark.  
The approximate aperture indication appears in  
the viewfinder. It may not the same indication as  
you select the lens aperture ring especially when  
the A645 150mm f/3.5 or A 645 45-85mm Zoom  
f/4.5 is attached.  
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46  
1
2
ft  
15  
m
10  
26 8 4 4 8 16 22  
A 22 16 11 8 5.6 2.8  
Using the Shutter-Priority AE Mode  
To set  
1. Set the lens aperture ring to [ A ].  
Purpose  
When the desired shutter speed is selected, the  
appropriate aperture is automatically set by the  
camera for a proper exposure according to the  
brightness of the subject. This mode is suitable for  
freezing the action with a fast shutter speed or cap-  
turing a flowing dynamic image with a slow shutter  
speed.  
2. Set the shutter speed dial to a shutter speed  
other than [ A ].  
To set the shutter speed dial to a position other  
than [ A ], turn the shutter speed dial while holding  
down the shutter speed dial lock button.  
3. Set the shutter speed dial to the desired shut-  
ter speed.  
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47  
3
*
4. The shutter speed dial between 1/1000 to 4S  
can be set to 1/2 step by pressing the  
up/down button. The set shutter speed will be  
displayed on the LCD panel and in the  
viewfinder.  
* Exposure Warning  
If the subject is too bright or too dark, the shutter  
speed and aperture setting in the viewfinder blink.  
When the subject is too bright, choose a faster  
shutter speed. If it is too dark, choose a slower  
shutter speed. When the shutter speed indication  
stops blinking, you can take the picture. If both  
selected shutter speed and aperture blink, it means  
that the exposure is out of metering range, unable  
to obtain a correct exposure even if the shutter  
speed is adjusted. Select a darker subject if the  
subject is too bright. Use a flash if it is too dark.  
If the shutter speed does not change to 1/2 step,  
confirm Pentax Function No. 1  
When the shutter release button is depressed  
halfway down, the shutter speed and the aperture  
value will be displayed in the viewfinder.  
In flash photography, when you use the flash sync  
shutter speed of 1/60 second or a non-dedicated  
external flash unit, set the shutter speed dial to the  
[ X ] (1/60 of second) position.  
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48  
1
2
ft  
15  
m
10  
2216 8 4 4 8 16 22  
A 22 16 11 8 5.6 2.8  
Using the Metered Manual Mode  
2. Set the shutter speed dial to the desired shut-  
ter speed.  
Purpose  
3. The shutter speed dial between 1/1000 to 4S  
can be set to 1/2 step by pressing the  
up/down button. The set shutter speed will be  
displayed on the LCD panel and in the  
viewfinder.  
The Metered Manual Mode is a convenient expo-  
sure mode for taking pictures using the same shut-  
ter speed and aperture setting combination, or tak-  
ing creatively under or overexposured photographs.  
If the shutter speed does not change to 1/2 step,  
confirm Pentax Function No. 1  
To set the shutter speed dial to a position other  
than [ A ], turn the shutter speed dial while holding  
down the shutter speed dial lock button.  
To set  
1. Set the lens aperture ring to the desired f-stop  
setting.  
Turn the lens aperture ring while holding down the  
aperture-A lock button.  
When the 645 LS (with leaf shutter )75mm is  
attached, [ LS ] appears on the LCD panel.  
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49  
4
4
5
*
ft  
15  
m
10  
2216 8 4  
4
8
16 22  
A 22 16 11  
8
5.6 2.8  
4. Turn either the shutter dial or lens aperture ring  
until a single bar is displayed in the center of the  
bar graph.  
5. When the shutter release button is depressed  
halfway, the shutter speed, approximate aperture  
and bar graph will be displayed in the viewfinder.  
In flash photography, when you use the flash sync shut-  
ter speed of 1/60 second or a non-dedicated external  
flash unit, set the shutter dial to the [ X ] (1/60 of second)  
position.  
* Exposure Warning  
If the subject is too bright or too dark, the selected shutter  
speed will blink in the viewfinder as a warning as shown.  
When the subject is too bright, choose a smaller aperture;  
when it is too dark, choose a larger aperture. When the  
shutter speed indication stops blinking, you can take a pic-  
ture. If both shutter and aperture blink, It means that the  
exposure is out of metering range, unable to obtain a cor-  
rect exposure even if the aperture is adjusted. Select a  
darker subject or use a flash if it is too dark.  
When the bars are displayed to the [ + ] side on the bar  
graph, it indicates overexposure and when the bars are  
displayed to the [ - ] side, it indicates underexposure.  
Moving one bar on the bar graph indicates 1/3 step  
(0.3EV). However, when under or over exposure is set  
beyond + 3 or - 3 steps (3EV), [ + ] or [ - ] indicator will  
blink.  
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50  
1
2
3
f
15  
10  
2216 8 4 4 8 16 22  
A 22 16 11 8 5.6  
Using the Bulb Exposure Mode  
Purpose  
This mode is useful for the long exposures required  
for shooting night scenes and fireworks. The shut-  
ter remains open as long as the shutter release but-  
ton is held down.  
2. Set the shutter speed dial to [ B ].  
3. An appropriate aperture will be displayed in  
the viewfinder when the shutter release but-  
ton is depressed halfway.  
Set the shutter speed dial to the [ B ] position. Turn  
the shutter speed dial while holding down the  
shutter speed dial lock button.  
The approximate aperture indication appears in  
the viewfinder. It may not the same indication as  
you select the lens aperture ring especially when  
the A645 150mm f/3.5 or A 645 45-85mm Zoom  
f/4.5 is attached.  
How to  
1. Set the lens aperture ring to the desired f-stop  
other than [ A ] while holding down the aper-  
ture-A lock button.  
Do not set the lens aperture ring to [ A ]. If doing  
so, the aperture will always closed to the maxi-  
mum position.  
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51  
4
- 3  
- 2  
1 / 3  
1 -  
+3  
2 / 3  
0
+
2
+
1
1
25  
0 0 0  
A
1
0
X
2
5
B
S 4  
60  
0
3
S
2
5
1
1
8
2
4
O
F
F
O
2 2  
1 6  
N
A
8
2 2  
4
4
1 6  
8
1 6  
1 0  
2 2  
1 5  
ft  
15  
m
10  
2216 8 4 4 8 16 22  
A 22 16 11 8 5.6 2.8  
4. Adjust the desired aperture by lens aperture  
ring.  
When using this mode, use a steady tripod to pre-  
vent camera shake and attach the optional Cable  
Switch CS-105, CS-130or Release Timer Switch  
TS-110 after removing the Release Socket Cap.  
Up to approx. 8 hours of time exposure are possi-  
ble with new alkaline batteries at room tempera-  
tures.  
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52  
ABOUT EXPOSURE COMPENSATION  
1
2
Purpose  
Exposure compensation does not work in the Bulb  
The exposure compensation allows you to deliberately  
overexposure (brighten) or underexposure (darken) a  
subject, or to compensate for difficult lighting conditions  
which may fool the cameras built-in exposure meter.  
Exposure Mode.  
The exposure compensation range is -3EV to +3EV in  
0.3EV step.  
The exposure compensation step can be selected from  
initial 0.3EV step to 0.5EV step with the Pentax Function  
No.5. See page 79 for more details  
To set  
1. Turn the exposure compensation dial to the desired  
compensation value.  
When the 0.5EV step is selected, two bars above the bar  
graph indicate a 0.5EV step.  
2. The exposure compensation dial locks at the [ 0 ]  
position. To set the exposure compensation dial to  
a position other than the [ 0 ] position, turn the  
exposure compensation dial while holding down  
the exposure compensation dial release button.  
3. The bar graph indicates the compensation value  
When exposure compensation is used in the Metered  
Manual Mode, the bar above the bar graph indicates  
under or overexposure, it is not indicating the exposure  
compensation value. [  
] is displayed.  
and [  
] appear in the viewfinder.  
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53  
AUTO BRACKETING EXPOSURE MODE  
When you take a picture that requires exposure compen-  
1
2
sation and it may be difficult to determine the correct  
exposure, use this mode to make three different bracket-  
ed exposures with different exposure levels.  
Selection of auto bracketing amount.  
The auto bracketing amount can be selected either 1/3EV  
step or 1/2EV step.  
To set  
1. While holding the auto bracketing selector at the STEP  
position, depress the up/down button to select the  
desired auto bracketing amount.  
The bracketing amount can be set 13 (1/3EV step) or 12  
(1/2EV step).  
with 1/3EV set  
with 1/2EV set  
2. Release the finger from the auto bracketing selector.  
The selector returns to the ± 0 position to complete the  
set-bracketing amount.  
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54  
with 1/3EV set  
with 1/2EV set  
The camera automatically measures the exposure for  
each shot.  
The focus is locked at the first picture and remains  
locked until all pictures are taken.  
If you let go of the shutter release button during auto  
bracketing, the auto bracketing will remain effective until  
the viewfinder indication goes off. After that, auto brack-  
eting exposure for the first bracketed frame will take  
effect.  
Auto Bracketing Exposure Mode combined with the  
Exposure Compensation function.  
You can combine the auto bracketing exposure mode with  
exposure compensation function.  
1
3
2
––  
3
1
––  
3
2
––  
––  
EV 1EV EV  
EV  
EV 1EV  
2
The auto bracketing will take effect to the set-exposure  
compensation amount.  
1. Set the auto bracketing selector to the desired  
exposure compensation value.  
2. Press the shutter release button fully. Three pic-  
tures are taken consecutively according to the  
auto-bracketing switch you have set.  
Auto Bracketing Exposure Mode combined with the  
Metered Manual Mode.  
You can combine the auto bracketing exposure mode with  
the metered manual mode (except X sync speed).  
The auto bracketing will take effect only to the set-shutter  
speed. The bar graph of the metered manual mode is only  
displayed in the viewfinder. The bar graph of the exposure  
compensation value is not displayed.  
Three pictures are taken consecutively as follows.  
First picture:  
Second picture: Underexposure  
Third picture: Overexposure  
Correct exposure  
The sequence of the auto bracketing exposures can be  
changed with Pentax Function No. 3.  
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55  
SWITCHING THE METERING MODE  
The Spot metering or center weighted metering  
mode can also be selected in this camera.  
Select the desired metering mode with the metering  
mode selector.  
The metering pattern in the illustration above  
shows that the upper part of the pattern (in the  
center of the viewfinder) has more sensitivity to  
light than the lower part.  
In this metering mode, the camera does not auto-  
matically compensate the exposure in backlit or  
spotlit situations like the Multi (6) - Segment  
Metering Mode. Creative exposure control is  
decided by the user.  
Using the Center-Weighted Metering Mode  
This metering system does not automatically com-  
pensate for backlit or spotlit scenes like the Multi(6)  
- Segment Metering Mode. Creative exposure con-  
trol is decided by the user.  
To use  
Set the metering mode selector to the [  
tion.  
] posi-  
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56  
1
2
Metering  
area  
Using the Spot Metering Mode  
2. Measure the small area of the viewfinder as  
illustrated.  
The Spot Metering Mode measures light only in the  
small area in the center of the viewfinder.  
If the brightness range between area in the photo-  
graph is too great, the exposure should be deter-  
mined in consideration of the overall brightness.  
Otherwise, the picture will come out improperly  
exposed.  
To set  
1. Set the metering mode selector to [  
].  
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57  
USING AE LOCK  
As soon as the AE lock button [ AE-L ] is pressed,  
and the camera stores the measured exposure  
level for 20 seconds. The AE lock function remains  
while the AE lock button is depressed.  
If the shutter release button is depressed halfway  
down while the AE lock timer is operating, the  
memorized meter reading will remain even if the  
AE lock button is released.  
The AE lock function cannot be used when the  
camera is set in the Metered Manual Mode.  
How to cancel  
To cancel the AE lock function, press the AE lock  
button again.  
The AE lock function enables an exposure level to  
be memorized before shooting. The AE lock func-  
tion is very effective when used along with spot  
metering. Use the AE lock function to get a correct  
exposure when the subject occupies only a small  
part of the viewfinder.  
Position the area to be measured in the spot  
metering area and press the AE lock button. The  
exposure level is memorized and [ ] is dis-  
played in the viewfinder.  
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58  
SETTING THE FOCUS MODE SWITCH TO THE CONTINUOUS POSITION  
Predictive Autofocus Mode  
When the camera senses subject movement during  
the autofocus operation, the camera will automati-  
cally switch the focus mode to the predictive auto-  
focus mode to measure the speed of a moving sub-  
ject, and predict where it will be at the moment of  
shutter release to maintain sharp focus on the sub-  
ject. If the subject is moving too fast, the shutter  
may not be released.  
If the shutter release button is held at the halfway  
position, the lens focuses continuously to follow the  
subject. The shutter can be released even if the  
subject is out of focus.  
Set the focus mode switch to [ C ].  
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59  
USING THE SPOT AF MODE  
1
2
AF area  
Select the Spot AF Mode to critically focus on a  
specific spot of the subject which is in the spot AF  
autofocus frame.  
2. Focus on the main subject with the Sopt AF  
frame.  
When the main subject is off the Spot AF frame,  
How to focus  
1. Set the AF frame selector to [  
use the focus-lock technique. See page 60.  
].  
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60  
FOCUS LOCK FUNCTION  
1
2
3
In the Spot Metering Mode, the camera focuses with the  
spot metering / focusing area of the viewfinder. If you  
shoot without positioning the spot metering / focusing area  
on the main subject, the main subject will not be focused  
properly.  
2. To prevent this, focus on the main subject with the  
spot metering / focusing area. Depress and hold the  
shutter release button halfway down. The in-focus  
indicator remains on, indicating that the focus is  
temporarily locked.  
3. While holding the shutter release button halfway  
down, re-aim the camera or recompose the picture,  
then depress the shutter release button fully to  
release the shutter.  
Set the AF frame selector to [  
].  
1. When the composition does not allow the autofo-  
cus frame to be placed over the most important  
subject, the camera will focus on the background  
as shown in the illustration.  
Lifting your finger off the shutter release button clears  
the in-focus indicator [  
the focus lock function.  
To refocus on another subject, lift your finger off the shut-  
] in the viewfinder and cancels  
The focus lock can be used in the 3-point AF Mode and  
Spot AF Mode.  
The focus lock does not operate when the AF mode  
ter release button.  
selector is at [ C ].  
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61  
MANUAL FOCUSING  
1
2
3
ft  
15  
m
10  
2216 8 4  
4
8
16 22  
MF AF  
A 22 16 11 8 5.6 2.8  
Using the in - focus indicator  
2. While looking through the viewfinder, turn the  
focusing ring to the right or left while holding  
the shutter release button halfway down.  
3. When the subject comes into focus, the in -  
focus indicator [ ] lights up in the viewfind-  
er. Press the shutter release button fully to  
take the photograph.  
How to focus  
1. Set the lens in the manual focus mode.  
Switching between the autofocus and manual  
focus modes depends on the lens you use. For  
more details, read the operating manual of the  
lens.  
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62  
The camera is not equipped with the focus mode  
selector.  
When the subject comes into focus, the focus indi-  
cator [ ] lights up in the viewfinder. An audible  
PCV signal can be heard if the main switch is set  
Notes on Accessories  
The following conditions do not allow autofocusing  
or manual focusing with the in-focus indicator in the  
viewfinder. Use the manual focus mode to focus on  
the subject with the aid of the matte field surround-  
ing the autofocus frame. See page 58 for manual  
focusing.  
to the [  
] position.  
When the autofocus mode or the in-focus indi-  
cator is unsuited for focusing  
a) When using special effect filters or Magic Image  
Attachment.  
b) When using Extension Tubes or an Auto Bellows  
for close-up photography.  
When the autofocus function or the viewfinders in-  
focus indicator [ ] cannot be used when the sub-  
ject on the AF frame is difficult to autofocus. Focus  
the subject in the manual focus mode with the aid  
of the matte field in the viewfinder as you would with  
a non-AF SLR camera.  
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63  
HARD-TO-AUTOFOCUS SUBJECTS  
1
2
The autofocus system is highly precise, but not per-  
fect. Depending on the brightness, contrast, shape,  
and size of your subject, the autofocus system may  
not operate. In such a case, use the focus-lock  
technique (see page 60.) on another subject that is  
the same distance away, or set the lens to use the  
manual focus mode to focus the lens on the subject  
with the aid of the matte field in the viewfinder.  
ft  
15  
m
10  
2216 8 4  
4
8
16 22  
MF AF  
A 22 16 11 8 5.6 2.8  
Subjects which may fool the autofocus system  
include:  
a) Extremely low-contrast subjects such as a white  
How to focus on the subject with the aid of the  
matte field  
1. Set the lens in the manual focus position.  
2. While looking through the viewfinder, turn the  
focusing ring to the right or left until the  
image in the viewfinder is clearest.  
wall in the autofocus frame [  
b) Subjects which dont reflect much light in the aut-  
ofocus frame [ ].  
].  
c) Subjects which are moving too fast.  
d) Multiple subjects in the foreground and back-  
ground of the autofocus frame [  
].  
e) Subjects positioned against reflected light or  
strong backlight or with extremely bright back-  
grounds.  
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64  
IMPRINTING THE EXPOSURE DATA ON THE NEGATIVE  
If a 645 A- or FA lens (autofocus lens) is attached, the camera imprints the following exposure data direct-  
ly on the negative, outside of the picture frame with each exposure.  
q Characters  
! AE-lock  
w Number of Films  
e Number of Frames  
r Exposure Mode  
t Shutter Speed  
y Aperture Setting  
u Exposure Compensation Value  
i Auto bracketing  
o Metering Mode  
! Flash status  
! Focal length of Lens  
! Focus mode  
! Autofocus mode  
! AF area  
! Focus point  
! Film speed  
w
r
u
!
!2  
o
!
!
q
e
t
y
i
!
!
!
!
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65  
Data type  
Imprinted description  
Characters  
Capital letter [A to G] is imprinted to identify the camera.  
[ 1 - 199 ] can be imprinted. Beyond 199, it returns to 1.  
[ 1 99 ] can be imprinted.  
[ M ] (Metered Manual), [ Tv ] (Shutter-priority AE), [ Av ] (Aperture-priority AE) or [ P ]  
(Programmed AE) can be imprinted.  
Number of films  
Number of frames  
Exposure mode  
Shutter speed  
[ The shutter speed ] displayed in the viewfinder is imprinted. For bulb exposure, up to [ 9999 ]  
seconds can be imprinted. Beyond 9999 seconds, [ BULB ] will be imprinted. [ LS ] for lens shut-  
ter is used, [ X ] for when the shutter speed dial is set to the X position.  
Aperture setting  
[ Aperture value ] displayed in the viewfinder is imprinted. When the 67 lens adapter or the 645  
Helicoid Extension Tube having no lens information contacts are used, [ F - - ] will be imprinted.  
When the exposure compensation is not enabled, [ ±0.0Ev ] is imprinted. The exposure com-  
pensation value for the auto bracketing is also imprinted. If both auto bracketing and exposure  
compensation are used, the sum is imprinted.  
Exposure compensation value  
Auto bracketing  
Metering mode  
AE lock  
[ AEB ] is imprinted when the pictures are taken in auto bracketing mode.  
(Multi-segment ),  
[AE-L] is imprinted with the AE-lock function used.  
[ ] is imprinted when a Pentax dedicated flash is fired.  
(Center-weighted),  
(Spot)  
Flash status  
Focal length of lens  
[ Focal length ] is imprinted when the FA lens is attached. When the FA zoom lens is in use, [an  
approximate value of focal length] is imprinted. [ - - mm ] is imprinted when the A-lens, rear con-  
verter or etc. is mounted.  
Focus mode  
[ AF ] is imprinted with the autofocus mode used. [ MF ] is imprinted with the manual focus mode  
used.  
Autofocus mode  
AF area  
[ S ] is imprinted with Single AF mode used. [ C ] is imprinted with Continuous AF mode used.  
[ WIDE ] is imprinted with the 3-point AF mode used. [ SPOT ] is imprinted with the spot AF mode  
used.  
Focus point  
Film speed  
With the 3-point AF is set, which focus point is used imprinted with L (left), R (right), or C (cen-  
ter).  
Set the film speed ISO 6 to 6400 is imprinted.  
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66  
1
2
To set  
1. Set the exposure compensation dial to [ D ]. [ D ] will be displayed on the LCD panel.  
2. Press up/down button repeatedly until [ on ] appears on the LCD panel.  
D
If [ ] is displayed on the LCD panel, the exposure data will be imprinted on the negative.  
With a 645 A- lens attached, the exposure data but not the focal length of the lens will be imprinted even  
D
if [ ] is displayed on the LCD panel.  
With an accessory without the lens information contacts such as a helicoid extension tube attached, the  
D
exposure data but not the focal length and aperture setting of the lens will be imprinted even if [ ] is dis-  
played on the LCD panel.  
Since the exposure data are imprinted on the outside of picture frame, the data will not be seen on the  
actual photographs.  
The shutter cannot be released with the exposure compensation dial set at [ D ].  
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67  
1
2
To cancel the Exposure Data Imprint Mode  
1. Turn the power ON.  
2. Set the exposure compensation dial to [ D ].  
3. Depress the up/down button repeatedly to  
display [ OFF ] on the LCD panel.  
To return to the Exposure Data Imprint Mode,  
repeat the above step and [ on ] will reappear on  
the LCD panel.  
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68  
USING A PENTAX DEDICATED EXTERNAL FLASH  
Using the TTL Auto Flash  
1. Remove the hot shoe cover and attach a  
Pentax dedicated flash unit.  
When the flash is fully charged, the ready lamp on  
the flash unit lights up. When the shutter release  
button is depressed halfway down, [ ] appears  
in the viewfinder indicating the flash is ready.  
For more details, read the flash operating manual.  
2. Turn the flash ON.  
3. Set the flash to TTL Auto mode.  
4. Confirm that the flash is fully charged.  
5. Focus on the subject and release the shutter.  
Exposure Compensation with a Pentax TTL ded-  
icated flash  
Auto Bracketing Exposure mode with a Pentax  
TTL dedicated flash  
When the auto bracketing exposure mode is select-  
ed with a Pentax dedicated TTL flash in use, only  
the amount of flash output is varied.  
When the exposure compensation is set with a  
Pentax TTL flash in use, it makes possible to adjust  
the brightness of the subject on the background and  
the main subject respectively.  
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69  
AF500FTZ, AF330FTZ and AF360FGZ  
AF240FT, AF400FTZ  
These flash units feature a built-in infrared spotbeam to  
assist the autofocus system in dim light and low-contrast  
conditions.  
These flash units feature a built-in infrared spotbeam to  
assist the autofocus system in dim light and low-contrast  
conditions.  
The auto zoom function will automatically adjust the  
angle of discharge according to the lens focal length only  
when a 645 FA lens is in use.  
In the Programmed AE, Shutter-Priority AE, or Aperture-  
Priority AE: TTL Auto Flash Mode will be set automati-  
cally even if the flash unit is set to Manual.  
The AF500FTZ and AF360FGZ feature a wireless slave-  
sync flash function.  
The flash effective range appears on the LCD panel only  
when an a 645 A- lens is in use, or FA lens is in use.  
Multiple flash burst on a single frame are possible with  
the AF500FTZ.  
When the flash unit is charged and left unused for about  
5 minutes, the power will automatically switch off to save  
battery power. Depressing the shutter release button  
halfway down will restart charging of the flash unit.  
AF200T, AF220T, AF280T, and AF400T  
In the Programmed AE, Shutter-Priority AE, or Aperture-  
Priority AE, the TTL Auto Flash Mode will be set auto-  
matically even if the flash is set to Manual.  
With AF360FGZ, the picture format size can be selected  
depending on the camera format being used.  
If the TTL auto mode is selected, these flash units can  
be used for daylight-sync shooting, because the shutter  
speed is adjusted according to the ambient brightness.  
The slower shutter speed varies according to the lens  
focal length. The shutter speed varies within the shutter  
speed range of 1/60 of second to a slower speed which  
does not cause camera shake. However, when a 645 A-  
lens is in use, the shutter speed is set to 1/60 of second.  
The aperture value will also be fixed but will vary  
depending on what ISO film is loaded.  
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70  
When using the Three-Level Auto (red, green, and  
yellow settings) mode, the aperture value is  
adjusted as shown in the table. When the flash is  
fully charged, the shutter speed also varies within  
the shutter speed range of 1/60 to a slower speed  
which does not cause camera shake. The slowest  
shutter speed varies according to the lens focal  
length. When a 645A - lens is use, the shutter  
speed will be set to 1/60 of second.  
Multi-burst flash with the Pentax dedicated  
flash  
When discharging more than 2 Pentax dedicated  
flashes, make sure that they are of the same type,  
combine Type A with Type B or Type C with Type D.  
(refer to the overview of Flash Function on page  
71).  
AF200T  
f/2.8  
AF280T  
f/4  
AF400T  
f/4  
Red  
Green  
Yellow  
f/5.6  
f/8  
f/8  
f/11  
with ISO 100  
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71  
Overview of Flash Function  
CAMERA FUNCTION  
TYPE A  
TYPE B  
TYPE C  
TYPE D  
After the flash is charged, the camera automatically switches to  
the flash-sync speed.  
Automatic aperture setting in the Programmed AE Mode or  
Shutter-Priority AE mode.  
O
O
O
O
O
O
O
O*1  
Flash confirmation signal in the viewfinder  
TTL auto flash  
Auto flash  
Slow-speed sync in the Shutter-Priority AEMode or Metered  
Manual Mode  
O
O
O*2  
O
O
O
O*3  
O
O
O
O
O*4  
AF spotbeam  
Trailing-shutter-curtain sync flash  
Contrast-control flash mode  
O
O
O
O
O
TYPE A : AF500FTZ(*3), AF360FGZ, AF330FTZ  
TYPE C : AF400T, AF280T, AF220T, AF200T, AF080C, AF140C  
TYPE B : AF400FTZ, AF240FT  
TYPE D : AF200SA, AF201SA  
Notes:  
Using other type of a flash  
*1. When using a Type C flash (except AF220T) in the MS  
(Manual Sync) or M (Manual) modes, set the cameras  
exposure mode to the Aperture-Priority AE Mode,  
Manual or Bulb. The Program and Aperture-Priority AE  
Modes cannot be used because the actual required  
aperture value may change.  
*2. AF500FTZ and AF330FTZ do not have the auto flash  
capability.  
*3. AF140C and AF080C do not have the auto flash capa-  
bility.  
Use of non-Pentax flash units may damage the camera.  
For the best results, use a Pentax dedicated flash unit.  
Some large studio type flashes may have reversed con-  
tacts and may not fire with the 645N2 camera. For further  
information, contact the manufacturer or local supplier of  
the flash unit. Also, some studio flash units may not sync  
properly and part of the image could be blacked out by  
the second shutter curtain. It is recommended, for safe-  
tys sake, to use a shutter speed one step slower than  
flash sync speed.  
*4. In the MS (Manual Sync) or M (Manual) mode, the  
Shutter-Priority AE cannot be used because the actual  
required aperture value may change.  
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72  
DAYLIGHT- SYNC SHOOTING  
Purpose  
When taking a portrait in daylight, the subjects face  
may be cast in shadow. The use of a flash will help  
eliminate the unwanted shadow.  
Daylight-sync photography is accomplished in  
the same manner as normal flash photography,  
so you simply depress the shutter release but-  
ton.  
If the background is too bright, it may be overex-  
posed.  
Without Daylight-Sync  
With Daylight-Sync  
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73  
SLOW-SPEED-SYNC SHOOTING  
Purpose  
To set  
It is possible to balance the exposure of a fore-  
ground subject against a dimly lit background by  
using the flash to properly expose the foreground  
subject and a slow-shutter-speed to expose the low  
light background.  
With the Shutter-Priority AE Mode set  
1. Set the cameras exposure mode to the  
Shutter-Priority AE Mode.  
2. Set the desired shutter speed.  
If the aperture in the viewfinder blinks, a correct  
exposure will not be obtained for the background.  
Adjust the shutter speed until the blinking stops.  
To set  
With the Metered Manual Mode set  
1. Turn the flash on.  
2. Set the cameras exposure mode to the  
Metered Manual Mode.  
3. Turn the flash on.  
4. Take the picture.  
3. Select an appropriate shutter speed (slower  
than 1/60 of second) and aperture combina-  
tion for a correct exposure.  
If the power is on before the desired shutter speed  
is selected, the proper exposure for the back-  
ground will not be obtained. Be sure to select the  
shutter speed before the flash is turned on.  
4. Release the shutter.  
In the slow-speed-sync shooting, use of a tripod is  
recommended to prevent camera shake.  
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74  
USING THE PREVIEW LEVER  
1
2
1 0  
1 5  
6
2 2  
f t  
m
ft  
15  
m
10  
2216 8 4 4 8 16 22  
A 22 16 11 8 5.6 2.8  
To confirm the depth of field in the viewfinder,  
depress the preview lever.  
2. Depress the preview lever. The aperture will  
stop down to the preset value, and the depth-  
of-field can be confirmed through the  
viewfinder.  
1. Turn the lens aperture ring a position other  
than the [ A ] position.  
The lens aperture is closed down while holding the  
preview lever.  
The shutter cannot be released while depressing  
the preview lever.  
The depth-of-field cannot be confirmed with the  
lens aperture set to [ A ].  
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75  
MIRROR LOCK-UP  
To set  
To cancel 1  
To cancel 2  
q
w
q
e
q
w
This camera is equipped with a mirror lock-up facility.  
To cancel  
1. With the exposure mode set to the Aperture-Priority  
AE mode, Metered manual mode or Bulb exposure  
mode:  
To set  
1. Set the drive mode selector to [ M. UP ].  
2. Press the shutter release button fully to swing up  
the mirror.  
qSet the Drive mode selector to a position other than [ M.  
UP ] or set the main switch to [ OFF ].  
3. Press the shutter release button again. The shutter  
is released.  
2. With the exposure mode set to the Programmed AE  
or Shutter-Priority AE mode:  
qSet the multi-exposure switch to the ON position.  
wSet the drive mode selector to a position other than [ M.  
UP ] or set the main switch to [ OFF ].  
The exposure is locked just before the mirror goes up.  
The audible PCV signals beeping can be enabled and  
will be heard with the drive mode selector set at [  
].  
eSet the multi-exposure switch to the original position.  
Note:  
Without setting the multi-exposure switch to the ON posi-  
tion, the film is advanced by 1 frame when the mirror  
returns to the original position.  
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76  
PENTAX FUNCTIONS  
1
2
3
SETTING PENTAX FUNCTIONS  
The camera provides 10 Pentax Functions so you can set the camera accordingly to your preferences.  
To set:  
1. Turn on the camera. Set the exposure compensation dial to [ PF ].  
Function No. and setting content will be displayed on the LCD panel.  
2. Press the up or down button to display the Pentax Function No.F0 to F9 you want to set.  
3. Press the AE-lock button to select the setting content.  
4. The Pentax function No. and setting content will be set when the exposure compensation dial is  
set to other than [ PF ].  
The shutter cannot be released with the exposure compensaion dial at [ PF ].  
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77  
1
2
Resetting the Pentax Function  
To reset all the Pentax Functions to the initial settings in the following procedures.  
1. Set the exposure compensation dial to [ PF ].  
2. Hold down the up and button at the same time for more than 2 seconds. [ CL ] will be displayed  
on the LCD panel and all Pentax Functions are reset to initial setting.  
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78  
SETTING PENTAX FUNCTION  
[PF 0] Imprinting the character (capital letters A G)  
If the imprinting is enabled, a capital letter can be  
imprinted on the negative.  
[PF 2] Setting the metering timer  
The metering will stay on for 10 seconds but can be  
changed to 20 or 30 seconds.  
If the user has more than two cameras a different let-  
ter can be set to identify the negatives from each cam-  
era.  
Pentax Function No. 2  
10 seconds (initial setting)  
Pentax Function No. 0  
20 seconds  
30 seconds  
[PF 1] Setting the shutter speed step  
For use with the Shutter-Priority AE or Metered  
Manual Mode set, the shutter speed step can be set to  
either 0.5 or 1 EV steps.  
Pentax Function No. 1  
1/2EV step (initial setting)  
[PF 3] Setting the auto bracketing sequence  
You can set the sequence of the auto bracketing expo-  
sures.  
1.0EV step (follows the shutter speed dial)  
Pentax Function No.3  
Proper exposure L  
Under exposure L  
Over exposure  
Under exposure L  
Proper exposure L  
Over exposure  
Over exposure L  
Proper exposure L  
Under exposure  
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79  
[PF 4] Setting the self-timer delay time  
With the exposure compensation step is set to 1/2  
The self-timer delay time can be set to 12 sec. or 2  
sec. If the 2 sec. self-timer is set, the mirror is locked-  
up when the shutter release button is pressed and the  
shutter will be released after 2 seconds.  
Exposure compensation can only be set to 1/2 step even  
if the exposure compensation dial is set to 1/3 or 2/3  
steps.  
1
2
1
2
+2  
+2 +1  
1
2
1
2
+2  
+1  
Pentax Function No. 4  
Self-timer delay of 12 sec.  
(initial setting)  
+3  
+1  
1
2
1
2
+3  
+
1
2
+
Self-timer delay of 2 sec.  
with mirror lock-up  
1
2
[PF 5] Setting the exposure compensation step  
Set the exposure compensation step 1/3EV or 1/2EV  
step.  
1
2
1
2
3  
3  
1  
1
2
1
2
2  
1  
1
2
1
2
2  
2 1  
Pentax Function No.5  
Selecting an exposure compensation step of 0.3EV or  
0.5EV  
1/3EV (initial setting)  
In the viewfinder, when the 1/2 step is set, two bars are  
displayed on the bar graph.  
1/2EV  
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80  
[PF 6] Enabling/disabling the program line for shift-  
ing.  
The shifted shutter speed and aperture values are dis-  
played in the viewfinder.  
The program line of Programmed AE Mode can be  
shifted according to your shooting preferences.  
To cancel the program shift, set the main switch to OFF  
or change the exposure mode.  
Pentax Function No.6  
Disabling the programmed  
line shift (initial setting)  
[PF 7] Setting the frame counter indication  
The frame counter can be set to a count-up indication  
or to a count-down indication.  
Enabling the programmed line shift  
Pentax Function No.7  
Count-up indication  
(initial setting)  
With the programmed line shift is enabled  
The programmed line is shifted 0.5EV step each time the  
up/down button is depressed.  
Count-down indication  
Holding the button will shift the program line continuously.  
The shutter speed increases and the aperture opens up  
by depressing the up button. Conversely, the shutter  
speed decreases and the aperture closes down by  
depressing the down button.  
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81  
[PF 8] Enabling/disabling displaying of the number of  
films taken and frame counter in the viewfinder  
The number of films taken and the frame counter are  
displayed in the viewfinder while holding the Auto  
bracketing selector to [ STEP ] position.  
Pentax Function No.8  
Disabling the display in the  
viewfinder (initial setting)  
Enabling the display in the  
viewfinder  
Number of films  
Number of frames  
How to display  
Hold the auto bracketing selector to [ STEP ] position.  
The total number of films taken and the current exposure  
counter are displayed in the viewfinder.  
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82  
[ PF 9 ] Changing the number of frames taken  
Changes the maximum frames can be taken when 120 film or 220 film is loaded.  
Pentax Function No.9  
The maximum frames can be taken is changed depending on the type of film holder is attached.  
LCD panel indication  
Setting contents  
With 120 film back attached  
With 220 film attached  
15 or 32 frames (initial setting)  
With 120 film holder ... 15 frames  
With 220 film holder ... 32 frames  
16 or 33 frames  
With 120 film holder ... 16 frames  
With 220 film holder ... 33 frames  
With 16 or 33 frames set, the film flatness of 2nd frame may be deteriorated in the consecutive-frame  
mode.  
The number of frame taken can be changed before 1st frame is taken. After 1st frame is taken, the num-  
ber of frames cannot be changed until the film is removed.  
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83  
ACCESSORIES (OPTIONAL)  
A number of dedicated accessories are available for this  
AF330FTZ  
camera.  
Cable Switch CS-105/CS-130  
A shutter release cord designed for use with the 645N2  
and MZ-S. The length of cable for CS-105 is 50cm and  
CS-130 is 3m.  
A TTL Auto Zoom flash with a built-in AF spotbeam and  
guide number of 33 in meters (ISO 100). It features con-  
trast-control-sync flash sync, leading/trailing-curtain-  
sync flash mode.  
AF220T  
Release Timer Switch TS-110  
645N2 and MZ-S dedicated shutter release device for  
interval and timer shooting.  
A TTL Auto flash with the guide number of 22 in meters  
(ISO 100). It features a bounce-flash capability.  
Hot Shoe Adapter FG, Extension Cord F5P (L) and  
Off-Camera-Shoe Adapter.  
Magnifier 645  
A viewfinder accessory for magnifying the central area of  
the viewfinder.  
Refconverter A  
The adapters and cord which allow the AF240FT,  
AF330FTZ, AF360FGZ, AF400FTZ and AF500FTZ to be  
used off the camera, while maintaining full electronic  
coupling to the camera.  
Macro Flash AF140C  
A TTL macro flash unit with the guide numbers 14 in  
meters (ISO 100).  
Right angle finder which attaches the viewfinder. The  
viewfinder magnification can be switched from 1X to 2X.  
AF500FTZ  
A TTL Auto Zoom flash with a built-in AF spotbeam and  
large guide number of 50 in meters (ISO 100). It features  
slave-sync flash function, multiple-flash burst, contrast-  
control-sync flash, leading/trailing-curtain-sync flash  
mode.  
Filters  
Skylight, Cloudy, UV, Y2, O2, R2, and Circular Polarizing  
Filter are available. Each filter is available in sizes of  
49mm, 52mm, 67mm and 77mm.  
AF360FGZ  
Remote Battery Pack 645  
A P-TTL and TTL auto zoom flash with a built-in AF spot  
beam and guide number of 36 in meters (ISO 100). It  
features a bounce-flash capability, slave-sync function,  
contrast-control-sync flash, leading/trailing-curtain-sync  
flash, modeling flash mode.  
The remote battery pack is an accessory to keep batter-  
ies warm when photographing in extremely cold temper-  
ature.  
Film back 645  
120 film back and 220 film back are available.  
Quick Shoe Adapter QS-20/Quick Shoe Base QS-B1  
The camera can be attached or removed from the tripod  
in seconds.  
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84  
Interchangeable screen  
Four types of focusing screens including the standard focusing screen are available. (Please refer to the  
instruction sheets supplied with each screen for changing instructions.)  
AS-80 (AF Center Spot Matte)  
The standard focusing screen for general photogra-  
phy.  
AG-80 (AF Cross-Lined Matte)  
Designed to guide picture compositions. The sec-  
tional lines for horizontal and vertical are graduated  
in 9mm.  
AB-82 (AF Sprit-Image Matte)  
Matte screen with the sprit image.  
AA-82 (AF Microprism Matte)  
For general use, the matte screen with the micro-  
prism.  
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85  
Notes on Accessories  
Adjust the double cable release so that when the  
double cable release is pushed with the lens set at  
the minimum aperture, the shutter is released after  
the lens is fully stopped down. If the shutter is  
released before the aperture is stopped fully down  
to its minimum. Adjust the cable so that the end with  
the red ring to extend further and/or the end that  
attaches to the shutter button to extend less.  
When using an ordinary polarizing filter, a half mir-  
ror incorporated into the autofocus system reduces  
the effectiveness of the autofocus function when  
used in combination with an ordinary polarizing fil-  
ter. Use a CIRCULAR POLARIZING FILTER for  
proper autofocus operation.  
Double Cable Release  
When using the Auto Bellows 645 with 645N2 cam-  
era, the double cable release A is required for  
releasing the shutter. If your Auto Bellows 645  
does not include the double cable release A, the  
double cable release A is available as an optional  
accessory.  
Adjustment procedures  
To extend the length, turn the knurled front ring to  
the left (when viewed from front end), and then turn  
the back knurled ring to the left (when viewed from  
front end) while holding the front ring.  
To shorten the length, turn the back knurled ring to  
the right (when viewed from front), and then turn the  
front knurled ring to the right while holding the back  
knurled ring.  
How to attach  
1 Attach the double cable release so that the end  
with the red end ring of the double cable release  
is connected to the socket with the red ring in the  
lower part of the front board of the Auto Bellows  
645.  
2 The other end fits into the shutter release button.  
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86  
TROUBLESHOOTING  
What appears troublesome may be easily remedied. Here are some problems that may occur and their remedies. Before  
contacting a Pentax service center, check the following items.  
Symptoms  
Causes  
Remedies  
Reference  
The last frame is exposed and  
wound onto the take-up spool.  
The main switch is set to [ OFF ].  
The battery warning [ ] appears. Replace the battery.  
The self-timer mode is being set. Cancel the self-timer mode.  
Remove the film from the film back.  
Set the main switch to [ ON ].  
P.25  
P.14  
P.12  
P.35  
The shutter cannot be  
released.  
The exposure compensation dial is Turn the exposure compensation P.24, P.66,  
being set to D, PF or ISO. dial other than D, PF or ISO. P.76  
The exposure counter does The shutter release button is not Press the shutter release button  
P.20  
not indicate [ ].  
depressed after loading the film.  
The main switch is the [ OFF ] posi-  
tion.  
after loading the film.  
Turn the main switch to [ ON ].  
Install the batteries.  
P.14  
P.12  
P.12  
P.12  
P.36  
Indicators do not appear on No battery has been installed.  
the LCD panel.  
The batteries are improperly  
installed  
The batteries are dead.  
AF frame is not placed over the sub- Move the camera until the AF frame  
ject.  
Install the batteries properly.  
Replace the batteries.  
[
] covers the subject.  
Increase the camera-to-subject dis-  
tance.  
Set the lens in the autofocus posi-  
tion.  
The subject is too close.  
P.36  
P.32  
The camera does not focus.  
The focus mode is set to [ MF ].  
Use the focus technique or focus  
manually using the matte field.  
The subject is difficult to autofocus.  
P.60, P.62  
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87  
Symptoms  
Causes  
Remedies  
Reference  
The subject is too close or difficult to Use the focus-lock technique or  
[
[
] blinks in the viewfinder. autofocus.  
focus manually using the matte P.62, P.63  
field.  
Press the mid-roll wind-up button  
to wind the film, then consult your  
Pentax distributor or authorized  
Pentax repair shop.  
] blinks on the LCD  
[  
] indication stays on and bat-  
tery warning [ ] blinks even  
The camera may be defective.  
panel.  
if the mid-roll wind-up button is  
pressed. In this situation, replace  
the battery and press the mid-roll  
wind button again.  
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88  
SPECIFICATIONS  
Type: ––––––––––––––– TTL autofocus, auto-exposure 6 x 4.5 format SLR camera  
Format: ––––––––––––– 56 x 41.5mm  
Usable Film: ––––––––– 120 roll film (16 exposures) with 120 film holder, 220 roll film (33 exposures) with 220 film holder and 70mm roll  
film (about 95 exposures) with 70mm film holder  
Usable Film Speed: ––– ISO 12 - 6400  
Exposure Modes: ––––– Programmed AE Mode, Shutter-Priority AE Mode, Aperture-Priority AE Mode, Metered Manual Mode, Bulb  
Mode, TTL Flash Mode  
Shutter: ––––––––––––– Electronically-controlled vertical-run cloth focal-plane shutter, Speed range: (1) Auto 1/1000-30 sec.(stepless),  
(2) Manual 1/1000-6 sec.(3) Bulb,  
Lens Mount: ––––––––– Pentax 645 AF mount (645 A-mount with AF coupler, lens information contacts )  
Compatible Lens:––––– Pentax 645 AF mount, Pentax 645 A-mount  
Autofocus System: ––– TTL phase-matching multi-(3 points) autofocus system switchable to Spot focusing, AF operational brightness  
range: EV -1 to 18 (at ISO 100), Focus lock available using shutter release button, Focus Mode: CONTINUOUS  
(predictive AF provided), SINGLE, Manual [ MF ]  
Viewfinder: –––––––––– Keplerian telescopic viewfinder with Natural-Bright-Matte focusing screen (Interchangeable focusing screens  
available), Field of view: 92% vertical and 93% horizontal, Magnification:0.76X(with 75mm lens at infinity ),  
Diopter: -3.5 to +1.5 m-1, 3-point AF frame, Spot AF frame, Spot AF range  
Viewfinder Indication: Focus Information: In-focus (Green lamp [  
] is lit), front or back focus signals and unable-to-focus indicator  
] is lit, Bar graph  
(Green lamp blinks), Shutter speed indication, Aperture indication, Flash ready indication [  
(exposure compensation), Auto bracketing indicator, Over or Under exposure indication in Manual Exposure  
Mode, [  
] exposure compensation indication, [  
] AE lock indicator  
D
External LCD panel ––– [  
Indication:  
] = possible to imprint exposure data, [  
] =Battery exhaustion warning, Film speed, ISO indication, Film  
counter  
Self-timer: ––––––––––– Electronically-controlled type with delay time of 12 sec. or 2sec. delay when mirror lock-up in use. Start by  
depressing of shutter release button, Operation confirmation: By PCV beep tone. Cancelable after operation  
Mirror: –––––––––––––– Instant-return mirror with AF secondary mirror. Mirror lock-up is possible.  
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89  
Film Loading: –––––––– 120 and 220 films semi-automatically loaded with a start mark, 70mm film automatically loaded  
Film Winding: –––––––– Auto film winding by built-in motor with single/consecutive mode, Approx.2.0 frames/sec.(consecutive mode)  
Exposure Meter:–––––– TTL dual six-segment metering, Metering range from EV2 to EV21 at ISO100 with 75mm f/2.8 lens, Center-  
weighted and Spot metering mode can be set  
Exposure–––––––––––– ±3.3EV in 0.3EV step increments  
Compensation:  
Multiple Exposure:–––– Via Multi-exposure switch  
Auto bracketing:–––––– 1/3EV step increments, 2/3EV step increments, 1EV step increments, Possible to use with exposure compen-  
sation  
Flash sync: –––––––––– Via Hot shoe with X-sync. contact with couples with Pentax dedicated auto flashes, X-sync speed at 1/60 sec.,  
Slow shutter speed synchronization possible in Metered Manual Mode, X-sync. socket is provided, ISO  
range=25-800  
Exposure Data ––––––– Possible to imprint the exposure data on the outside of the picture frame. Characters, number of films, frame  
Imprinting  
number, exposure mode, shutter speed, aperture value, exposure compensation, metering mode and focal  
length  
Pentax Function: ––––– 10 user defined functions  
Power Source: ––––––– Six AA-size 1.5V batteries (Alkaline or Lithium battery), an optional Remote battery pack 645 is attachable with  
connecting the power cord.  
Battery Exhaustion ––– Battery exhaustion symbol [  
Warning:  
] is lit (blinking when the shutter is locked; no indication in the viewfinder.)  
Dimensions and –––––– 147.0mm(W) x 109.0mm(H) x 117mm(D) (5.8x4.3x4.6) 1280g (45.2 oz) body only without batteries.  
Weight:  
Supplied –––––––––––– Body mount cap 645, Rear body cap 645, Release socket cap, Strap D, Large eye cap 645, and Hot shoe cover  
Accessories:  
FK.  
SPECIFICATIONS ARE SUBJECT TO CHANGE AT ANY TIME WITHOUT NOTIFICATION OR ANY OBLIGATION ON  
THE PART OF THE MANUFACTURER.  
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90  
WARRANTY POLICY  
All Pentax cameras purchased through authorized bona fide photographic distribution channels  
are guaranteed against defects of material or workmanship for a period of twelve months from  
date of purchase. Service will be rendered, and defective parts will be replaced without cost to  
you within that period, provided the equipment does not show evidence of impact, sand or liquid  
damage, mishandling, tampering, battery or chemical corrosion, operation contrary to operating  
instructions, or modification by an unauthorized repair shop. The manufacturer or its authorized  
representatives shall not be liable for any repair or alterations except those made with its written  
consent and shall not be liable for damages from delay or loss of use or from other indirect or  
consequential damages of any kind, whether caused by defective material or workmanship or  
otherwise; and it is expressly agreed that the liability of the manufacturer or its representatives  
under all guarantees or warranties, whether expressed or implied, is strictly limited to the replace-  
ment of parts as herein before provided. No refunds will be made on repairs by non-authorized  
Pentax service facilities.  
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91  
Procedure During 12-month Warranty Period.  
Any Pentax which proves defective during the 12-month warranty period should be returned to  
the dealer from whom you purchased the equipment or to the manufacturer. If there is no repre-  
sentatives of the manufacturer in your country, send the equipment to the manufacturer, with  
postage prepaid. In this case, it will take a considerable length of time before the equipment can  
be returned to you owing to the complicated customs procedures required. If the equipment is  
covered by warranty, repairs will be made and parts replaced free of charge, and the equipment  
will be returned to you upon completion of servicing. If the equipment is not covered by warran-  
ty, regular charges of the manufacturer or of its representatives will apply. Shipping charges are  
to be borne by the owner. If your Pentax was purchased outside of the country where you wish  
to have it serviced during the warranty period, regular handling and servicing fees may be  
charged by the manufacturers representatives in that country. Notwithstanding this, your Pentax  
returned to the manufacturer will be serviced free of charge according to this procedure and war-  
ranty policy.  
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92  
In any case, however, shipping charges and customs clearance fees to be borne by the sender.  
To prove the date of your purchase when required, please keep the receipt or bills covering the  
purchase of your equipment for at least a year. Before sending your equipment for servicing,  
please make sure that you are sending it to the manufacturers authorized representatives or  
their approved repair shops, unless you are sending it directly to the manufacturer. Always obtain  
a quotation for the service charge, and only after you accept the quoted service charge, instruct  
the service station to proceed with the servicing.  
The local warranty policies available from Pentax distributors in some countries can  
supersede this warranty policy. Therefore, we recommend that you review the warranty  
card supplied with your product at the time of purchase, or contact the PENTAX distribu-  
tor in your country for more information and to receive a copy of the warranty policy.  
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93  
STATEMENT OF FCC COMPLIANCE  
This device complies with Part 15 of the FCC  
Rules. Operation is subject to the following two con-  
ditions: (1) This device may not cause harmful inter-  
ference, and (2) this device must accept any inter-  
ference received, including interference that may  
cause undesired operation.  
Reorient or relocate the receiving antenna.  
Increase the separation between the equipment  
and receiver.  
Consult the dealer or an experience radio/TV  
technician for help.  
Changes or modifications not approved by the party  
responsible for compliance could void the users  
authority to operate the equipment.  
This equipment has been tested and found to com-  
ply with the limits for a Class B digital device, pur-  
suant to part 15 of the FCC Rules. These limits are  
designed to provide reasonable protection against  
harmful interference in a residential installation.  
This equipment generates, uses and can radiate  
radio frequency energy and, if not installed and  
used in accordance with the instructions, may  
cause harmful interference to radio communica-  
tions. However, there is no guarantee that interfer-  
ence will not occur in a particular installation. If this  
equipment does not cause harmful interference to  
radio or television reception, which can be deter-  
mined by turning the equipment off and on, the user  
is encourage to try to correct the interference by  
one or more of the following measures:  
This class B digital apparatus meets all require-  
ments of the Canadian Interference - Causing  
Equipment Regulations.  
Cet appareil numérique de la class B respecte  
toutes les exigences du Réglement sur le  
matériel brouilleur du Canada.  
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Welcome to the Fantastic World of Pentax  
Autofocus Multi-Mode Medium Format  
Photography  
With a 645 A- or FA lens attached, the 645N2  
imprints relevant information (frame number,  
shutter speed, aperture setting, exposure con-  
trol and auto-bracketing mode.  
The Pentax 645N2, our latest development in the  
area of the medium format SLR, promises a  
superior 6 x 4.5cm result with 120, 220, or  
70mm film.  
The Pentax 645N2 is a professional camera pos-  
sessing a number of highly sophisticated fea-  
tures: built-in automated film wind, an external  
LCD information panel and clearly visible LCD  
information in the viewfinder.  
Made possible through our vast experience and  
technology accumulated over the years, the  
new autofocus multi-mode 645N2 assures pin-  
sharp focus accuracy with AF Spot and AF Wide  
selection, and the 6-segment multi-pattern  
metering allows precise exposure control under  
widely varying conditions. Unsurpassed versa-  
tility is assured through the utilizing of a full  
range of exposure modes (Programmed AE,  
Aperture-Priority AE and Shutter-Priority AE,  
Metered Manual and TTL auto flash control), an  
exposure compensation control and auto-brack-  
eting mode and a new user-set Pentax Function  
to customize the 645N2 to meet the for user’s  
shooting preferences.  
Lenses and accessories produced by other manu-  
facturers are not made to our precise specifications  
and therefore may cause difficulties with or actual  
damage to your Pentax camera. We do not assume  
any responsibility or liability for difficulties resulting  
from the use of lenses and accessories made by  
other manufacturers.  
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MEMO  
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Asahi Optical Co., Ltd. 2-36-9, Maeno-cho, Itabashi-ku, Tokyo 174-8639, JAPAN (http://www.pentax.co.jp)  
Pentax GmbH (European Headquarters) Julius-Vosseler-Strasse, 104, 22527 Hamburg, GERMANY  
Pentax U.K. Limited Pentax House, Heron drive, Langley, Slough, Berks SL3 8PN, U.K. (http://www.pentax.co.uk)  
Pentax France S.A. 12/14, rue Jean Poulmarch, 95106 Argenteuil Cedex, FRANCE  
Pentax Benelux B.V. (for Netherlands) Spinveld 25, 4815 HR Breda, NETHERLANDS (http://www.pentax.nl)  
(for Belgium & Luxembourg) Weiveldlaan 3-5, 1930 Zaventem, BELGIUM (http://www.pentax.be)  
Pentax (Schweiz) AG Widenholzstrasse 1 Postfach 367 8305 Dietlikon, SWITZERLAND (http://www.pentax.ch)  
Pentax Scandinavia AB P.O. Box 650, 75127 Uppsala, SWEDEN (http://www.pentax.se)  
Pentax Europe n.v. (European Distribution Center) Weiveldlaan 3-5, 1930 Zaventem, BELGIUM  
Pentax Corporation 35 Inverness Drive East, Englewood, Colorado 80112, U.S.A. (http://www.pentax.com)  
Pentax Canada Inc. 3131 Universal Drive, Mississauga, Ontario L4X 2E5, CANADA (http://www.pentaxcanada.ca)  
The CE marking assures that  
this product complies with  
the requirements of the EC  
directive for safety.  
Copyright © Asahi Optical Co.Ltd. 2001  
01-200109 Printed in Japan  
57250 ENG  
This operating manual is printed on recycled paper.  
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