Objective
80 mmEffective objective lens diameter
6 mShortest focusing distance
> 5 dptDiopter correction at ∞
± 5 dptDiopter correction reticle
25-50x20-60xMagnification
3.2-1.6 mm4.0-1.3 mmExit pupil diameter
42-27 m/1000m36-20 m/1000mField of view at m/1,000 m / ft/1,000 yds
2.4-1.55 °2.1-1.1 °Field of view degrees
2.4-1.55 °2.1-1.1 °Field of view for eyeglass wearers in degrees
60-70 °40-65 °Field of view apparent
Environment & Conditions
-40 to +55 °CFunctional temperature
-40 to +70 °CStorage temperature
13 ft (4m) water depth (inert gas filling)Submersion tightness