Compact binoculars area of use travel magnification 8 x lens diameter 25 mm prism system roof exit pupil diameter 313 mm min focus distance 6 m angle of view 71 field of view in 1000 m 124 m twilight factor 141 relative brightness 9 8 focussing system central focus viewing straight binocular coating bak4 weight 300 g special features for spectacle wearers rubber armouring outdoor function waterproof