Compact binoculars area of use travel watersports magnification 8 x lens diameter 25 mm prism system roof exit pupil diameter 313 mm min focus distance 2 m angle of view 72 field of view in 1000 m 126 m twilight factor 141 relative brightness 9 8 diopter correction 4 0 dpt focussing system central focus viewing straight binocular coating fully multi coated weight 365 g special features for spectacle wearers outdoor function waterproo