Magnification ,x

 2                   3                   5

Objective lens diameter,mm

 32                 44                   50

Lens system

39mmF/1.2         59mmF/1.7        88mmF/1.7

FOV at distance 200yards,ft/m

302/92              197/60          118/36

Focus range,yards

0.25 to infinity      1.0 to infinity        1.0 to infinity

Eye relief distance,mm

15

Dioper setting,D

4, -4

Overall dimensions,mm

156×79×50          170×79×50        180×80×50

Weight,oz/g

14.88/422             18.34/520         24.69/700

Power supply

CR-123 3V battery (one)

Estimated battery life without IR,hour

Up to 60

Operating temperature,

-30°to 45°

Storage temperature,

0°to 60°

Water instrusion

Meet IPX4 rating

Humidity,%

Up to 93%