Monocular area of use bird watching magnification 8 x lens diameter 25 mm prism system porro exit pupil diameter 313 mm min focus distance 5 m angle of view 7 field of view in 1000 m 122 m twilight factor 141 relative brightness 9 8 focussing system central focus viewing monocular coating multi coated weight 160 g included in delivery pouch special features for spectacle wearers rubber armouring outdoor function waterproof prismenglas b