Compact binoculars area of use nature travel magnification 8 x lens diameter 21 mm prism system roof exit pupil diameter 263 mm angle of view 71 field of view in 1000 m 123 m twilight factor 13 relative brightness 6 92 focussing system central focus viewing straight binocular weight 200 g included in delivery pouch special features rubber armouring outdoor function waterproof