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NIGHT VISION GOGGLES
 

DEFENDER 
Gen3   SKU #45003
  Gen2+ SKU #45002
 

The DEFENDER is the NV goggle that is the evolved version of the PVS-7 with improved functionality and performance. Available with an extensive choice of image intensifiers ranging from Gen 2 to US Gen 3, the DEFENDER provides exceptional performance in the most unfavorable conditions. The goggle can also accept a 3x magnifier lens.

 

 

GENERAL
Magnification, x
1
Field of view, deg
40
Lens system
26mmF/1.1
Interpupillary distance, mm
            55-76
Focus range, m/in
               0.1/ 5 to infinity
Eye relief distance, mm
25
Diopter setting, D
+2, -6
Overall dimensions, mm/in
185×95×148
 7.3" x 3.7"x 5.8"
Weight w/out headgear, g/oz
410/17.4
Power supply
AA  Alkaline battery (one)/3V

Estimated battery life w/out IR under 73F, hour

up to 60
 

GEN III / GEN II IMAGE INTENSIFIER TUBES
Classification
OMNI III, IV
OMNI II
Photocathode type
18mm GaAs
18mm S-20
Photocathode sensitivity, min, μA/lm
1350
350
Resolution, typical, lp/mm
57-64
35-57
Luminous gain, typical, fl/fcd
45000-55000
12000-20000
Signal-to-noise ratio, typical
21:1 or better
12.5:1 or better
FOM, typical
1250-1800
600-800
Tube reliability standard, hour
10000
5000
Keep time, typical, year
15
10
Warranty, year
3

EFFECTIVE DISTANCE

 Detection range, approx.,  m/yard
                 -quarter moon
                 -cloud cover

 
up to 325/360
up to 225/245


up to 200/220
up to 125/140

Recognition range, approx., m/yard 
                -quarter moon
                -cloud cover


up to 225/245
up to 150/165


up to 175/195
up to 100/110

 75mW IR illuminator, approx., m/yard

up to 25/27

 
 
ENVIRONMENTAL DATA
Operating temperature, C/F
−40 to +50/-40 to +122
Storage temperature, C/F
0 to +50/32 to +122
Immersion, hour
1 meter for 0.5
Humidity, %
up to 98%