Outdoor binoculars hunting binoculars area of use travel nature hunting outdoor sports magnification 10 x lens diameter 42 mm prism system roof exit pupil diameter 42 mm min focus distance 3 m angle of view 57 field of view in 1000 m 100 m twilight factor 205 relative brightness 17 64 focussing system central focus viewing straight binocular coating fully coated weight 670 g eye relief 15 special features rubber armouring prismenglas