Compact binoculars area of use travel watersports magnification 8 x lens diameter 20 mm prism system roof exit pupil diameter 25 mm min focus distance 26 m angle of view 67 field of view in 1000 m 117 m twilight factor 126 relative brightness 6 25 focussing system central focus viewing straight binocular coating lotutec weight 225 g special features rubber armouring outdoor function waterproof