Universal binocular area of use nature bird watching hunting travel magnification 8 x lens diameter 42 mm prism system roof exit pupil diameter 525 mm min focus distance 4 m angle of view 68 field of view in 1000 m 119 m twilight factor 183 relative brightness 27 56 focussing system central focus viewing straight binocular coating fully multi coated weight 650 g special features for spectacle wearers rubber armouring outdoor function wat