Compact binoculars area of use travel watersports magnification 10 x lens diameter 25 mm prism system roof exit pupil diameter 25 mm min focus distance 2 m angle of view 6 field of view in 1000 m 105 m twilight factor 158 relative brightness 6 25 diopter correction 4 0 dpt focussing system central focus viewing straight binocular coating fully multi coated weight 370 g special features for spectacle wearers outdoor function waterproof