Outdoor binoculars area of use hunting watersports travel nature outdoor sports magnification 8 x lens diameter 32 mm prism system roof exit pupil diameter 4 mm min focus distance 21 m angle of view 7 field of view in 1000 m 122 m twilight factor 16 relative brightness 16 focussing system central focus viewing straight binocular coating fully multi coated weight 510 g eye relief 16 outdoor function waterproof