Outdoor binoculars hunting binoculars area of use hunting nature outdoor sports magnification 10 x lens diameter 42 mm prism system porro exit pupil diameter 42 mm min focus distance 46 m angle of view 66 field of view in 1000 m 114 m twilight factor 205 relative brightness 17 64 focussing system central focus viewing straight binocular coating multi coated weight 765 g eye relief 17 special features for spectacle wearers rubber armouri