Newcon Optik NVS 7 8X User Manual

Operation Manual  
NIGHT VISION BINOCULARS  
NVS 7-4x / NVS 7-5x / NVS 7-8x  
NSN: 5855-20-000-8284  
105 Sparks Ave., Toronto, ON, M2H 2S5, Canada  
Precautions  
NVS 7 is a sophisticated precise optical instrument equipped  
with electronics. It should be handled with due care:  
Unit contains fragile components. Avoid impacts, dust,  
moisture and sharp changes of temperature.  
Do not touch the optical surfaces other than for cleaning.  
Doing so may damage the anti-reflection coating.  
Clean optical surfaces with professional lens cleaning  
supplies.  
Use only a soft clean cloth to clean the exterior of the device.  
Keep the device away from sources of heat, such as heating  
appliances, sunlight or central heating.  
Switch off the unit and remove the battery during the  
extended periods of non-operation.  
Do not apply an excessive force or pressure to the lens  
assembly, movable parts and thread connections.  
Small dark and/or light spots may be seen in the field of view  
due to considerable optical magnification of the eyepiece.  
This does not affect the operational capabilities of the device.  
iii  
CONTENTS  
1. OVERVIEW............................................................. 3  
2. DELIVERY SET...................................................... 5  
Standard delivery set........................................................ 5  
Optional accessories ........................................................ 5  
3. SPECIFICATIONS .................................................. 6  
Unit specifications ........................................................... 6  
Main tube parameters ...................................................... 7  
Spatial frequency-contrast characteristic ......................... 8  
Field of view cleanness.................................................... 8  
4. UNIT DESIGN......................................................... 9  
5. OPERATION INSTRUCTIONS............................ 12  
Installing battery............................................................ 12  
Switching the unit on..................................................... 12  
Switching the unit off .................................................... 13  
Operating at night .......................................................... 13  
Adjusting to individual vision........................................ 13  
Focusing ........................................................................ 14  
Interpupillary distance ................................................... 14  
Installation of interchangeable lenses............................ 14  
1
6. TROUBLESHOOTING ......................................... 16  
No green light through eyepieces .................................. 16  
Image is unclear............................................................. 16  
Image flashes................................................................. 16  
Condensation accumulates on the parts......................... 16  
Visibility decreased or disappeared ............................... 16  
7. WARRANTY......................................................... 17  
8. CUSTOMER SUPPORT........................................ 18  
9. ACCEPTANCE CERTIFICATE............................ 19  
2
1. OVERVIEW  
NVS 7 (the unit) is optoelectronic binocular intended for  
observation of objects and orientation at night or under dark  
conditions. The unit is equipped with a generation 2+ or 3 image  
intensifier tube, which amplifies low light, such as moonlight,  
starlight or man-made light.  
Add-on lens can be attached to the unit to increase magnification.  
Some typical activities where NVS 7 can be useful:  
Law enforcement  
Wildlife observation  
Security  
Search and rescue  
Hunting  
Features  
Built-in infrared illuminator allows observation in total  
darkness (i.e. cave or dark room);  
Soft rubber eyecup allows comfortable viewing  
3
Please read all the instructions carefully prior to using the unit.  
Manufacturer reserves the right to introduce minor design  
changes without notice.  
4
2. DELIVERY SET  
Standard delivery set  
QUANTITY  
1
Binocular configuration:  
NVS 7 unit with 4x, 5x or 8x lens  
Lens cap  
1
1
1
1
1
2
1
Neck strap  
Soft case  
Manual  
Warranty card  
AA battery  
Lens cleaning kit  
Optional accessories  
Hard case  
Exact delivery set is subject to the specific contract terms.  
5
3. SPECIFICATIONS  
Unit specifications  
2XT  
4x / 5x / 8x  
3XT  
4x / 5x / 8x  
Model  
Image Intensifier Tube  
(IIT)  
Gen. 2+  
Gen. 3  
Apparent field of view  
Eye relief  
10º / 8º / 5º  
25 mm  
25 mm  
4x / 5x / 8x Objective  
focal length / F-number  
100 mm - F1.5 / 130 mm - F2.3 / 216.4 mm - F2.0  
Interpupillary distance  
Focus range:4x / 5x / 8x  
Dioptric correction  
Battery type  
57-73 mm  
10 m - / 10 m - / 20 m -   
±5  
2 standard AA batteries  
Battery life  
Over 80 hours without IR; over 30 hours with IR  
Low battery indicator  
IR ON indicator  
Waterproof  
MIL-STD-810  
Sizes: 4x / 5x / 8x  
Weight: 4x / 5x / 8x  
165x120x70 mm / 230x136x82 / 240x130x130 mm  
0.690kg / 0.800kg / 1.470 kg  
NOTE: As the design is being continuously improved the actual  
specifications may be better than those given above.  
6
Main tube parameters  
Model  
NVS 7-2 XT  
NVS 7-3 XT  
Generation  
3
2+  
IIT Model  
NCXT4322  
57 lp/mm  
N3XT4322  
57 lp/mm  
ITT Resolution, min  
Image Intensifier Type  
(Generation/Grade)  
2+  
3
XT  
XT  
Photocathode operating diameter, mm  
Photocathode type  
17.5  
S-25  
GaAs  
Photocathode sensitivity, min :  
Integral  
600 A/ lm  
1,600 A/ lm  
45 mA/W  
180 mA/W  
Spectral at = 850 nm  
Light amplification  
>35,000 fl/fc  
1x  
110  cd/m2  
Image magnification  
Max dark background brightness  
Signal-to-noise ratio  
Current consumption, max  
Voltage  
18  
20  
20 mA  
25 mA  
2.80.8 V  
MTBF, hours  
10K  
10K  
Operating temperature range  
-50°C … +55°C  
7
Spatial frequency-contrast characteristic  
Frequency, lines/mm  
Contrast transfer  
coefficient (XT)  
2.5  
7.5  
0.88  
0.72  
0.50  
15.0  
Field of view cleanness  
SPOTS DIAMETER  
IN MICRONS  
> 230  
ZONE 1  
ZONE 2  
ZONE 3  
Ø5.6MM  
Ø5.6-Ø14.7MM Ø14.7-Ø17.5MM  
0
0
0
0
1
1
0
1
2
150 - 230  
75 - 150  
8
4. UNIT DESIGN  
4
1
3
2
5
6
NVS7 – 4x  
1. On-Off, IR switch  
2. Lens focus adjustment ring  
3. Eyepiece focus adjustment rings  
4. Eyepieces  
5. Battery compartment cover  
6. Objective lens  
9
4
3
1
5
2
6
NVS7 – 5x  
1. On-Off, IR switch  
2. Lens focus adjustment ring  
3. Eyepiece focus adjustment ring  
4. Eyepieces  
5. Battery compartment cover  
6. Objective lens  
10  
1
6
4
3
5
2
7
8
NVS7 – 8x  
1. On-Off, IR switch  
2. Lens focus adjustment ring  
3. Eyepiece Focus adjustment rings  
4. Eyepieces  
5. Battery compartment cover  
6. Objective lens  
7. Objective lens cover  
8. Tripod mount  
11  
5. OPERATION INSTRUCTIONS  
Installing battery  
Unpack the device. Unit is supplied with battery not installed.  
Prior to installing the battery, make sure the switch is in the  
OFF position and the lens cap is on.  
Unscrew the battery compartment cover (5) and install 2 fresh  
AA batteries. Observe the correct polarity indicated on the  
housing. Screw in the battery compartment cover back.  
Switching the unit on  
In daylight put on the lens cap prior to switching the unit on.  
To check if the unit is operational switch it ON (1) and look  
through eyepiece (4). You should see  
greenish-lit screen. If the screen is not  
lit check the battery.  
When the unit is ON user may see a  
circular indicator through the eyepiece  
(Fig. 1). It is hardly noticeable when  
not active.  
FIGURE 1  
Low battery indicator  
Flashing indicates low battery. For  
uninterrupted operation keep fresh  
batteries ready and replace them in  
time.  
12  
Solid red dot indicates that the IR illuminator is on.  
In the daytime with lens cap on it is normal to observe a fuzzy  
image. Switching on the unit device in the daytime is intended  
for testing purposes only.  
Switching the unit off  
After you have finished using the device, turn it off by rotating  
switch (1) to OFF position. Put protective lens cap  
(ex.NVS7-8x, 7) on the lens. Remove the battery from the  
battery compartment to avoid damaging of the device in case of  
electrolyte leakage.  
Operating at night  
Take off the lens cover from the lens (6). Turn on the  
device using switch. If lighting is insufficient, turn on the  
IR illuminator (1) by turning switch. The red indicator  
(Fig. 1) will go on. IR illuminator is effective when  
observing an object located not far from the viewer.  
The IR illuminator is visible to anybody with a night  
vision device.  
Adjusting to individual vision  
Turn on the device. Direct the device at an object placed within  
8-20 m from the viewer. Obtain the sharpest image possible on  
the eyepiece (4) screen by focusing the eyepiece lens (3) and  
then the objective lens (2).  
13  
Focusing  
To obtain sharp image at other distance adjust the lens focus  
(2)leaving eyepiece setting intact. You should be able to obtain a  
sharp image for distances from 2-20 m to infinity, depending on  
the objective lens magnification.  
If you wear eyeglasses or NBC protective mask, you may like to  
fold the rubber eyecup.  
Interpupillary distance  
The unit is designed to accommodate interpupillary distance of  
57-73 mm without any additional adjustment and should be  
comfortable for 99% of adults.  
Installation of interchangeable lenses  
Do not apply an excessive force when changing the lenses.  
1. Make sure the unit is off (1).  
2. Remove the lens cap  
3. Detach the current lens: hold the lens by its base and  
rotate it counter-clockwise. Once the lens has been  
removed, store it in a safe, clean space.  
4. Screw in (clockwise) new lens.  
The threads are very fine (to prevent humidity penetration) and  
can be damaged easily. Do not apply force to the lens rotation. If  
lens does not screw in smoothly make sure that the threads  
match.  
Unit is ready for operation immediately after the lens change.  
14  
Warning: Forcing installation of the lens may damage  
the thread and cause costly repairs to both the  
binoculars and the lens that are not covered by  
warranty.  
15  
6. TROUBLESHOOTING  
No green light through eyepieces  
Check that the batteries are installed properly.  
Check the charge of the batteries. Replace them if they are weak.  
Image is unclear  
Check if the lenses are foggy or dusty. Clean them if necessary.  
If the image is still unfocused – adjust the eyepieces; see 5.5 and  
5.6 for details.  
Image flashes  
Image may flash during the first two minutes after activation. It  
may continue flashing if exposed to bright light (even with the  
lens cap on!).  
Condensation accumulates on the parts  
When the unit is brought from the cold into a warm environment  
internal condensation may appear. The unit has to be warmed up  
for up to two hours to regain full operational capacity.  
Visibility decreased or disappeared  
Bright light sources (the Moon, projectors or headlights) may  
cause visibility to degrade or even completely disappear. Move  
the device away from the light source immediately. The image  
will be restored within two minutes.  
Adverse atmospheric conditions such as fog, haze or extremely  
dark environments will decrease visibility.  
16  
7. WARRANTY  
NEWCON warrants this product against defects in materials and  
workmanship for one year from the date of the original purchase.  
Longer warranty is available, subject to the terms of the specific  
sales contract. Should your Newcon product prove to be  
defective during this period, please deliver the product securely  
packaged in its original container or an equivalent, along with the  
proof of the original purchase date, to your Newcon Dealer.  
Newcon will repair (or, at its option, replace with the same or  
comparable model), the product or part thereof, which, on  
inspection by Newcon, is found to be defective in materials or  
workmanship.  
What This Warranty Does Not Cover:  
NEWCON is not responsible for warranty service should the  
product fail as a result of improper maintenance, misuse, abuse,  
improper installation, neglect, damage caused by disasters such  
as fire, flooding, lightning, improper power supply, or service  
other than by a NEWCON Authorized Service.  
Postage, insurance and shipping costs incurred while presenting  
your NEWCON product for warranty service are your  
responsibility.  
17  
8. CUSTOMER SUPPORT  
Should you experience any difficulties with your Newcon Optik  
product, consult this manual first.  
If the problem remains, contact our customer support department  
at +1(416) 663-6963 or toll free at 1-877-368-6666 (North  
America only). Our operating hours are 9am-5pm,  
Monday - Friday, Eastern Standard Time.  
Under no circumstances should the equipment be sent to  
Newcon without authorisation from our technical support  
department.  
Newcon accepts no responsibility for unauthorized returns.  
To locate NEWCON Authorized Dealer call  
+1(416) 663-6963 or fax +1(416) 663-9065  
The defective products should be shipped to:  
US Customers:  
2498 Superior Ave. Cleveland, OH 44114, USA  
From all other countries:  
105 Sparks Ave., Toronto ON, M2H 2S5, CANADA  
18  
9. ACCEPTANCE CERTIFICATE  
Image intensifier tube serial number: _____________________  
Minimum  
57  
Measured  
Resolution, lp/mm  
Photocathode sensitivity, integral,  
A/lm  
600 (Gen. 2+)  
1600 (Gen. 3)  
Light amplification  
35000  
Date of production:__________________________________  
Quality Inspector’s signature: ___________________________  
19  
NIGHT VISION DEVICE  
NVS 7-2/4x XT  
NVS 7-3/4x XT  
NVS 7-2/5x XT  
NVS 7-3/5x XT  
NVS 7-2/8x XT  
NVS 7-3/8x XT  
Unit serial number: _________________________________  
The unit complies with all technical specifications and has  
passed the inspection.  
Date of production: _________________________________  
Quality Inspector’s signature: __________________________  
Quality Assurance Seal  
20  
NEWCON OPTIK  
Printed in Canada  

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