Newcon Optik NVS 7-4x Manuale utente
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
ii
IMPORTANT INFORMATION
Read prior to activation.
You have purchased a sophisticated electronic device. To
operate it properly, please read this manual carefully.
Ignoring the operation procedures described in this manual
will void your warranty.
NEVER disassemble the unit. This device contains a source
of high voltage, which may be hazardous to your health.
NEVER open the objective lens of an active unit in bright
light, including daylight. In the daytime the objective lens
must be covered by cap. A tiny hole in the cap provides
enough light for daytime testing.
NEVER aim an active unit at intense light sources, such as
lights, headlamps, campfires, the Moon, etc.
NEVER reverse the polarity of a battery.
NEVER connect the unit to any external power supplies.
ALWAYS remove battery when not in use for a long period.
ALWAYS keep the objective lenses covered when not in use.
ALWAYS store the device in a warm dry place.
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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.
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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
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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
3
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
4
Please read all the instructions carefully prior to using the unit.
Manufacturer reserves the right to introduce minor design
changes without notice.
5
2. DELIVERY SET
Standard delivery set
QUANTITY
Binocular configuration:
NVS 7 unit with 4x, 5x or 8x lens
1
Lens cap 1
Neck strap 1
Soft case 1
Manual 1
Warranty card 1
AA battery 2
Lens cleaning kit 1
Optional accessories
Hard case
Exact delivery set is subject to the specific contract terms.
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3. SPECIFICATIONS
Unit specifications
Model 2XT
4x / 5x / 8x
3XT
4x / 5x / 8x
Image Intensifier Tube
(IIT) Gen. 2+ Gen. 3
Apparent field of view 10º / 8º / 5º
Eye relief 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 57-73 mm
Focus range:4x / 5x / 8x 10 m - / 10 m - / 20 m -
Dioptric correction ±5
Battery type 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 165x120x70 mm / 230x136x82 / 240x130x130 mm
Weight: 4x / 5x / 8x 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.
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Main tube parameters
Model NVS 7-2 XT NVS 7-3 XT
Generation 2+ 3
IIT Model NCXT4322 N3XT4322
ITT Resolution, min 57 lp/mm 57 lp/mm
Image Intensifier Type
(Generation/Grade)
2+
XT
3
XT
Photocathode operating diameter, mm 17.5
Photocathode type S-25 GaAs
Photocathode sensitivity, min :
Integral 600 A/ lm 1,600 A/ lm
Spectral at = 850 nm 45 mA/W 180 mA/W
Light amplification >35,000 fl/fc
Image magnification 1x
Max dark background brightness 110 cd/m2
Signal-to-noise ratio 18 20
Current consumption, max 20 mA 25 mA
Voltage 2.80.8 V
MTBF, hours 10K 10K
Operating temperature range -50°C … +55°C
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