Compact binoculars area of use theatre travel magnification 8 x lens diameter 21 mm prism system roof exit pupil diameter 263 mm min focus distance 18 m angle of view 62 field of view in 1000 m 108 m twilight factor 13 relative brightness 6 92 diopter correction 2 5 dpt focussing system central focus viewing straight binocular coating multi coated weight 200 g eye relief 12 special features for spectacle wearers rubber armouring o