Outdoor binoculars hunting binoculars area of use nature hunting outdoor sports travel magnification 10 x lens diameter 42 mm prism system roof exit pupil diameter 42 mm angle of view 6 field of view in 1000 m 105 m twilight factor 205 relative brightness 17 64 focussing system fixed focus viewing straight binocular coating fully coated weight 533 g eye relief 14 special features rubber armouring prismenglas bk 7