Outdoor binoculars area of use hunting outdoor sports magnification 10 x lens diameter 42 mm prism system roof exit pupil diameter 42 mm min focus distance 21 m angle of view 63 field of view in 1000 m 111 m twilight factor 205 relative brightness 17 64 focussing system central focus viewing straight binocular coating fully multi coated weight 665 g eye relief 16 special features rubber armouring outdoor function waterproof