Magnification ,x

3               5                5+

Objective lens diameter,mm

44              50               60

Lens system

59mmF/1.2     88mmF/1.7     100mmF/1.7

FOV at distance 200yards,ft/m

197/60         138/42            118/36

Focus range,yards

1.5 to infinity   1.0 to infinity    1.0 to infinity

Eye relief distance,mm

15

Dioper setting,D

+4,-4

Overall dimensions,mm

182×100×65      198×100×65    266×100×70

Weight,oz/g

14.88/422        18.34/520           24.69/700

Power supply

AA battery(two by 1.5V)

Estimated battery life without IR,hour

Up to 70

Operating temperature,

-30°to+45°

Storage temperature,

0°to+60°

Water instrusion

Meet IPX4 rating

Humidity,%

Up to 93%