Universal binocular area of use nature travel magnification 10 x lens diameter 42 mm prism system roof exit pupil diameter 42 mm min focus distance 15 m angle of view 64 field of view in 1000 m 111 m twilight factor 205 relative brightness 17 64 diopter correction 8 0 dpt viewing straight binocular coating swaroclean weight 840 g special features for spectacle wearers rubber armouring outdoor function waterproof