Newcon Optik NSN_ 5855 20 000 8284 NVS 7 User Manual

9. ACCEPTANCE CERTIFICATE  
Image Intensifier Tube  
Minimum  
30  
Measured  
Operation Manual  
Resolution, lines/mm  
Photocathode sensitivity,  
integral, µA/ lm  
400  
Light amplification  
20,000  
Image Intensifier Tube Serial Number: _____________  
Date of production: __________  
Quality Inspector Signature: ____________  
NIGHT VISION DEVICE  
__NVS 7-2 __NVS 7-2SD __NVS 7-2HD __NVS 7-2WA  
__NVS 7-2XT __NVS 7-3HD ___NVS 7-3XT  
The device with serial number _______________ corresponds to all  
technical specifications and is admitted for usage.  
Date of production: _____________  
Quality Inspector signature: _____________  
Quality assurance seal  
NIGHT VISION BINOCULARS/GOGGLES  
NVS 7  
NSN: 5855-20-000-8284  
NEWCON OPTIK 2006  
Printed in Canada  
7. WARRANTY:  
CONTENTS  
NEWCON OPTIK warrants this product against defects in  
material and workmanship for one year from the date of the  
original date of consumer's purchase, but no more than 18  
months from the date of manufacturing. Longer warranty periods  
are available, subject to the terms of specific sales contract.  
Should your Newcon product prove defective during this period,  
please bring the product securely packaged in its original  
container or an equivalent, along with proof of the date of  
original purchase, to your Newcon dealer. Newcon will repair  
(or at its option replace), the product or part thereof, which, on  
inspection by Newcon, is found to be defective in materials or  
workmanship.  
1 Overview  
5.1 Pre-starting procedures  
5.2 Testing of operation  
5.3 Operation at night  
5.4 Optional lenses  
5.5 Using the helmet mount  
(optional)  
6 Troubleshooting  
7 Warranty  
8 Customer support  
9 Acceptance certificate  
I) Application and  
advantages of NVS 7  
II) Warning  
III) Precautions  
2 Components  
3 Specifications  
4 Construction  
5 Operating Instructions  
What This Warranty Does Not Cover:  
THANK YOU FOR PURCHASING THE NVS 7  
TYPE NIGHT VISION  
BINOCULARS/GOGGLES. PLEASE DEMAND  
TO CHECK THE DEVICE FOR PROPER  
OPERATION WHEN BUYING IT. PLEASE  
READ ALL THE INSTRUCTIONS  
NEWCON OPTIK is not responsible for warranty service  
should the product fail to be properly maintained or fail to  
function properly as a result of misuse, abuse, improper  
installation, neglect, damage caused by disasters such as fire,  
flood, lightning, improper electrical current, or service other than  
by a NEWCON Authorized Service. Postage, insurance, or  
shipping costs incurred in presenting your NEWCON product  
for warranty service are your responsibility. Please include a  
cheque or money order made out to NEWCON OPTIK for the  
amount of $15.00 to cover shipping and handling within North  
America.  
CAREFULLY BEFORE USE.  
Precautions  
6. TROUBLESHOOTING  
The device does not work.  
Check that the battery is installed properly.  
Check the charge of the batteries. Replace them if they are weak.  
NVS 7 is a sophisticated precise optical instrument equipped  
with electronics.  
Therefore, it should be handled with due care.  
Try to avoid strong heat, direct sunlight, impacts, dust, moisture  
and sudden changes of temperatures. Keep in mind that, although  
being very durable, NVS7 contains fragile components.  
Do not touch the optical surfaces with fingers. Doing so  
may damage the anti-reflection coating.  
Cleaning of optical surfaces is allowed only with  
professional camera lens cleaning supplies.  
To clean the exterior of the device, use only a soft clean  
cloth.  
Do not take the cover off the lens if not necessary.  
Keep away from heating appliances and central heating.  
Make sure to switch off the unit and remove the batteries  
during periods of non-operation and when storing the device  
for long period of time.  
Do not apply superfluous efforts at work with lens  
assembly, agile elements and thread connections.  
Due to considerable optical magnification of the eye-piece  
some small structures inside the Image Intensifier Tube  
coating in the form of dark and/or white points may be seen  
in the field of view. This does not affect the serviceability of  
the device.  
The image does not appear in focus.  
Bring the inspected object to the center of the image. Rotate the  
eyepieces (6) to achieve the clearest image on the screen. Then  
obtain the most clear-cut image of the object focusing the lens  
(2). Repeat the steps of focusing if necessary  
If the view still does not seem in focus, clean the lenses - they  
could be foggy or dusty.  
Unit flashes  
It is normal for the unit to flash within the first 2 minutes of  
activation. If the flashing continues afterwards the following is a  
possible cause: bright environment (even with the caps closed!)  
Condensation accumulates on the parts.  
It is O.K. to use the unit in cold. However, when the unit is  
brought from the cold into a warm environment, it has to warm  
up for up to 2 hours (not minutes!).  
Only then it is allowed to turn it ON again.  
Visibility decreases and / or disappears.  
Bright light sources (moon, projectors or headlights) may cause  
visibility to degrade or even completely disappear. Move the  
device away from the light source immediately.  
The image should be restored in within 2 minutes. Poor  
atmospheric conditions such as fog, haze or extremely dark  
environments will decrease the visibility distance of the unit.  
Press the button (2) to change the fixating point of the goggles  
during operation. Rotate the goggles with depressed button (2)  
until you hear the click. You can raise the unit up vertically for  
unobstructed vision without taking the helmet off. The unit will  
automatically shut off in this position. (Note: this is an optional  
feature). Reverse the operation to turn it on.  
1. OVERVIEW  
The NVS 7 type night vision is observational optico-electronic  
binoculars/goggles, intended for examining objects and orientation at  
nighttime or dark conditions. The unit utilizes a generation 2+ or 3  
image intensifier tube, which amplifies available moonlight, starlight or  
man-made light. The device was designed to be easy to use, and  
provide many years of operation.  
All other operations with goggles mounted on a helmet are identical  
to those with the head gear.  
Some of the typical activities where NVS 7 will be useful:  
Law enforcement  
Wildlife observation  
Security  
Search and rescue  
Hunting  
Photography (Dark room operation)  
Features  
Waterproof construction  
Built-in infrared illuminator allows observations in total  
darkness (i.e. basement, cave or dark room);  
Flip/flop mechanism allows easy unobstructed vision;  
Independently adjustable eyepieces;  
Ideal in situations requiring hands-free operation;  
Lightweight and comfortable;  
A soft rubberized eyepiece makes the viewing more  
comfortable.  
WARNING! NEVER OPERATE YOUR NIGHT VISION  
DEVICE IN DAYLIGHT WITHOUT THE LENS COVER ON!  
NEVER DIRECT THE LENS IN THE DIRECTION OF  
BRIGHT LIGHT!  
2. COMPONENTS  
NVS 7 is supplied with the following components:  
5.5 Using the helmet mount (optional)  
NVS 7 can be equipped with an optional helmet mount. This  
mount is customized for a particular type within the wide variety  
of existing helmet models. The mount is attached to a helmet  
with stripes. The goggles are fixed to the mount by a locking  
screw (1). Adjust the goggles position on your eye level with the  
screw (4).Then adjust the  
eye-relief (the distance  
between your eyes and the  
eyepieces), which should be  
PART  
NVS 7 unit with 1x lens *  
Head gear*  
Lens caps  
Manual  
QUANTITY  
1
1
1
1
1
Warranty registration card  
about 25 mm. In order to  
achieve this, loosen locking  
screw (1) and set a  
comfortable distance  
between the eyes and the  
eyepieces; then tighten the  
locking screw back.  
You can fixate the unit in  
three predetermined  
Optional parts **  
PART  
3x add-on lens  
4× lens  
8x lens  
Sacrificial lens  
Demist shields  
Soft case  
QUANTITY  
1
1
1
1
2
1
1
1
1
1
2
4
3
1
2
Figure 7  
1 – locking screw; 2 – flip/flop  
button; 3 – flip-flop adjusting  
Hard case  
positions: vertical,  
Neck strap  
Lens brush  
Lens cloth  
AA batteries  
horizontal, and 15-20  
degrees above horizontal.  
The angles between these  
positions cannot be changed,  
screws; 4 – mount binding screw  
but the starting point is adjusted by screws (3). If you loosen  
them, you can rotate the flip-flop mechanism to find the most  
suitable starting fixating point. Don’t forget to tighten the screws  
(3) after adjustment.  
* In a binocular configuration the unit is supplied with 4x or 8x lens  
without head gear, and without 1x lens  
** Exact delivery set and accessories included are  
subject to the terms of specific sales contract.  
OPERATION:  
3. SPECIFICATIONS OF NVS 7  
Model  
NVS  
7-2  
7-2SD 7-2HD 7-2XT 7-2WA  
7-3HD  
During daytime: It is allowed to turn on the goggles at daytime for a  
short period of time, for testing purposes only. Lens cap must be  
installed during this operation. The image will be fuzzy, and/or you will  
see 3 images. This is normal because of the catadioptric construction of  
the lens.  
18 mm Gen. 2+  
25 mm  
Gen. 2+  
18 mm  
Gen. 3  
N3064322  
Image Intensifier Tube  
(IIT)  
NC104322 NC064322 NC064322 NCXT4322 NC064331_25  
IIT model  
30-36 40-45 45-57 57-72  
45-64  
60  
15  
45-72  
40  
25  
IIT resolution, lp/mm  
Field of view, º  
Eye relief, mm  
Objective focal length,  
mm  
40  
25  
27.5  
Warning. Never turn on the goggles with either 1x or 4x lens  
during daytime, without the lens caps. Doing so will result in  
damaged power supply and/or tube and costly repairs not  
covered by the warranty.  
24.76  
27.5  
F1.2 / T1.25  
F1.35 /  
T1.4  
F1.2 /  
T1.25  
Objective F / T  
numbers  
During night time: Remove the lens cap by unscrewing it counter  
clockwise. Keep the lens cap in a safe place, so it won't get lost. Use  
the focusing ring at the base of the lens in order to adjust the image.  
You will need to readjust the image for different objects at different  
distances.. You should expect to have a sharp image for distances as  
close as 10-20m through infinity.  
1
Magnification, x  
Interpipillary distance,  
mm  
Focus range, m  
Dioptric correction  
Battery type  
Battery life, hours  
Low battery indicator  
I/R ON indicator  
Momentary I/R button  
Automatic shut-off in  
the up-rise position  
(optional)  
58-72  
0.25-∞  
±5  
2 standard AA batteries  
Over 80 hours without I/R; over 30 hours with I/R  
-
-
-
-
-
-
-
Waterproof 2 m, 2  
hours  
150x120x55  
0.480  
Dimensions, mm  
Weight, kg  
Figure 5  
NVS 7 with 4x lens  
Figure 6  
NVS 7 with 8x lens  
NOTE: As the design is being continuously improved some  
descriptions may differ from those given above.  
Main tube parameters  
Image Intensifier Type  
(Generation/Grade)  
Photocathode operating diameter, mm  
Photocathode type  
Photocathode sensitivity, min:  
Integral, µA/ lm  
5.4 Installation and operation of optional lenses  
INSTALLATION:  
2+ / SD,  
HD, XT  
3 / HD  
GaAs  
Note: The following procedure is identical for 4x or 8x lenses . Unpack  
the 4x lens from the box. Turn off the NVS 7 goggles. Remove the  
rubber lens cap (6). Remove (unscrew) the original 1x lens, which is  
included with the NVS 7 goggles. To do that, hold the lens at its base  
(1) and unscrew it counters clock wise. Once the original 1x lens has  
been removed, store it in a safe, clean space (you can use the 4x lens  
packaging for that). The  
18  
S-25  
500-750  
35  
1200-2100  
45  
Spectral at λ = 850 nm, mA/W  
Light amplification  
25,000  
1
110 −3  
Image magnification  
Max dark background brightness, cd/m2  
NVS 7 4x lens should be  
screwed, clock wise,  
instead of the 1x original  
lens. Please exercise  
extreme caution at the  
initial stage.  
Signal-to-noise ratio, min  
Current consumption, max, mA  
Voltage, V  
Tube life until reduced parameters, hrs  
Keep time, years  
18-25  
20  
18-24  
25  
2.8±0.8  
10,000  
15  
The threads are very fine  
Ambient temperature range, °C  
-50 … +55  
(to prevent humidity  
Spatial frequency-contrast characteristic  
1. Lens base  
penetration) and can be  
damaged easily. Do not  
force the lens rotation. If it  
does not screw in  
Frequency,  
lines/mm  
2.5  
Contrast transfer  
Coefficient (HD)  
Contrast transfer  
Coefficient (XT)  
Figure 4  
0.89  
0.68  
0.40  
0.92  
0.80  
0.58  
7.5  
15.0  
smoothly, remove it and  
Field of view cleanness  
make sure that the threads are matching correctly. Now it is ready for  
operation. Removal of the lens is done in reverse order.  
Warning: The lens should screw in smoothly. If not, remove it and  
make sure that the threads are matching correctly.  
Failing to do so and forcing the installation of the lens will  
result in broken threads and costly repairs to both the  
goggles and the 4x lens.  
Zone  
Zone  
Maximum diameter of defects  
Admitted  
area of defects,  
total, mm2  
#
Diameter,  
Neglected  
Admitted  
Mm  
Qty  
, mm  
0.15  
1
2
3
0 – 9.0  
9.0 - 14.4  
14.4 -18.0  
0.10  
0.12  
0.15  
2
3
3
0.15  
0.30  
0.50  
0.25  
0.35  
5.3 Operation at night  
4. CONSTRUCTION  
You can use the device with the head gear or without it.  
When used with the head gear, first adjust all the straps for  
individual head size. Take off the lens covers (6) from the lens  
(7). Turn on the device-using switch (1). In case of insufficient  
lighting when observing an object, which is situated not far from  
the viewer, turn on the I/R illuminator by turning the I/R switch  
(1). The red indicator (Fig. 3) will be on.  
Note: The I/R illuminator is visible to anybody with a night  
vision device and will disclose the user’s presence.  
You can raise the unit up for unobstructed vision without taking  
the head gear off by using the “flip/flop” feature (Fig. 2). To  
switch the unit into off-working position: press the lever (9)  
down and raise the device into vertical position, until you hear a  
click. The unit automatically shuts off in the upright position  
(Note: this is an optional feature).  
3
2
1
1. On-Off, I/R Switch  
2. Mounting socket  
3. Eyepiece adjustments  
4. Eyepieces  
5. Battery house cover  
6. Objective lens cover  
7. Objective lens focus  
8. Tightening screw  
9. Lever  
4
7
9
5
6
8
Figure 1  
Reverse the operation for a working position.  
After operation the user should turn off the unit by rotating switch (1)  
to the OFF position. Put protective lens caps (6) on the lens (7). After  
operation remove the batteries from the battery compartment to avoid  
any damage of the device in case of occasional leakage of electrolyte  
from the batteries.  
Figure 2  
5. OPERATION INSTRUCTIONS  
5.1 Pre-starting procedures:  
5.2 Testing of operation:  
When wearing the unit the eye-relief (the distance between your  
eyes and the eyepieces) should be 15-22 mm. In order to achieve  
this, loosen locking screw (8) and set a comfortable distance  
between the eyes and the eyepieces; then rotate the locking  
screw (8) back. Turn on the device by rotating the switch (1) to  
the ON position. The green screens of the scopes must be lit.  
Direct the device on an object placed within 8-15m from the  
viewer. Rotate the eyepieces (4) and the lens (7) in order to  
achieve the sharpest image on the screen of the image tube.  
The eyepieces (4) are set for a person individual eye sight, and  
do not need to be changed if the same person is using the  
apparatus. The lens (7) focus needs to be adjusted according to a  
different distance of observed scenery.  
Unpack the device. In order to install the battery, first make sure  
the switch (1) is in the OFF position. Unscrew the battery house  
cover (5), and install 2 fresh AA batteries. Observe the correct  
polarity indicated on the housing. Screw the battery house cover  
back on. Check the functioning of the device by switching it on  
(rotate switch (1) and looking through eyepieces (4). Make sure  
the lens cap (6) is on while operating during the daytime. If  
power supply and the batteries are O.K., you will see greenish-lit  
screen. If the screen is not lit, check the batteries. Replace the  
batteries if necessary.  
There are one or two indicators  
in the visible zone (see Fig. 3).  
When they are off the user can  
hardly notice them. Bright  
The distance between the eyes should be automatically  
applicable for people with 58-72 mm interpupilary distance,  
which covers over 99% of the adult population.  
yellow and/or flashing red  
indicates that battery voltage  
goes low. You should have the  
fresh batteries ready and  
replace them in time. Bright  
red reminds / warns the user  
Figure 3  
I/R illuminator and low battery  
that the I/R illuminator is on  
indicator (red)  
(see below).  
Optional separate low battery  
indicator (yellow)  
If everything works, now is a  
great time to fill the warranty  
card.  

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