Objective
10xMagnification
42 mmEffective objective lens diameter
4.2 mmExit pupil diameter
18 mmExit pupil distance
133 m/1000mField of view at m/1,000 m / ft/1,000 yds
7.6 °Field of view degrees
7.6 °Field of view with eye glasses (degrees)
70 °Field of view apparent
2 mShortest focusing distance
± 4 dptDiopter adjustment
5 dptDiopter correction at ∞
91 %Light transmission
56-74 mmPupil distance
20.5Twilight factor acc. to ISO 14132-1
Environment & Conditions
-25 to +55 °CFunctional temperature
-30 to +70 °CStorage temperature
13 ft / 4 m water depth (inert gas filling)Submersion tightness