Outdoor binoculars area of use hunting watersports nature travel outdoor sports magnification 7 x lens diameter 50 mm prism system porro suitable for intermediate beginner expert exit pupil diameter 71 mm min focus distance 8 m angle of view 64 field of view in 1000 m 112 m twilight factor 187 relative brightness 50 4 focussing system central focus viewing straight binocular coating multi coated weight 905 g eye relief 18 colour bla