SWAROVSKI EL 10X42

10x Magnification
42 mm Effective objective lens diameter
4.2 mm Exit pupil diameter
20 mm exit-pupil-distance-eye-relief-mm
112 m/1000m Field of view at m/1,000 m / ft/1,000 yds
6.4 ° Field of view degrees
6.4 ° Field of view with eye glasses (°)
60 ° Field of view apparent
3.3 m Shortest focusing distance
± 5 dpt Diopter adjustment
8 dpt Diopter correction at ∞
90 % Light transmission
56-74 mm Pupil distance
20.5 Twilight factor acc. to ISO 14132-1

160 mm Length in
131 mm Width in 
61 mm Height in 
840 g Weight 

-25 to +55 °C Functional temperature
-30 to +70 °C Storage temperature
13 ft / 4 m water depth (inert gas filling)  Submersion tightness