Universal binocular area of use travel magnification 8 x lens diameter 25 mm prism system roof exit pupil diameter 313 mm 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 weight 463 g included in delivery pouch lens caps eyepiece caps shoulder strap special features rubber armouring outdoor function waterproof prismenglas bak 4