Compact binoculars area of use travel nature magnification 8 x lens diameter 25 mm prism system roof exit pupil diameter 313 mm min focus distance 305 m angle of view 82 field of view in 1000 m 143 m twilight factor 141 relative brightness 9 8 focussing system central focus viewing straight binocular coating multi coated weight 312 g special features for spectacle wearers outdoor function waterproof