Universal binocular area of use nature bird watching hunting travel magnification 10 x lens diameter 42 mm prism system roof exit pupil diameter 4 mm min focus distance 4 m angle of view 62 field of view in 1000 m 108 m twilight factor 205 relative brightness 17 64 focussing system central focus viewing straight binocular coating fully multi coated weight 645 g special features for spectacle wearers rubber armouring outdoor function water