Compact binoculars area of use travel magnification 10 x lens diameter 25 mm prism system roof exit pupil diameter 25 mm min focus distance 18 m angle of view 55 field of view in 1000 m 96 m twilight factor 158 relative brightness 6 25 focussing system central focus viewing straight binocular coating multi coated weight 297 g special features rubber armouring outdoor function waterproof