Objective
8.5xMagnification
42 mmEffective objective lens diameter
4.9 mmExit pupil diameter
20 mmexit-pupil-distance-eye-relief-mm
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 (°)
60 °Field of view apparent
3.3 mShortest focusing distance
± 5 dptDiopter adjustment
6 dptDiopter correction at ∞
90 %Light transmission
56-74 mmPupil distance
18.9Twilight 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