Hunting binoculars area of use travel hunting magnification 85 x lens diameter 45 mm prism system roof exit pupil diameter 529 mm min focus distance 3 m angle of view 67 field of view in 1000 m 117 m twilight factor 196 relative brightness 27 98 focussing system central focus viewing straight binocular coating bak4 weight 880 g eye relief 58 special features rubber armouring