Universal binocular area of use travel nature magnification 85 x lens diameter 42 mm prism system roof suitable for intermediate beginner exit pupil diameter 494 mm min focus distance 25 m angle of view 74 field of view in 1000 m 129 m twilight factor 189 relative brightness 24 4 diopter correction 3 0 dpt focussing system central focus viewing straight binocular coating swaroclean weight 800 g eye relief 74 colour green incl