Objective
10xMagnification
50 mmEffective objective lens diameter
5 mmExit pupil diameter
20 mmexit-pupil-distance-eye-relief-mm
345 ft/1000 ydsField of view at m/1,000 m / ft/1,000 yds
6.6 °Field of view degrees
6.6 °Field of view with eye glasses (°)
62 °Field of view apparent
9.2 ftShortest focusing distance
± 4 dptDiopter adjustment
5 dptDiopter correction at ∞
90 %Light transmission
2.2-2.9 inPupil distance
22.4Twilight factor acc. to ISO 14132-1
Environment & Conditions
-13 to +131 °FFunctional temperature
-22 to +158 °FStorage temperature
13 ft / 4 m water depth (inert gas filling)Submersion tightness