Monocular area of use nature watersports magnification 10 x lens diameter 25 mm prism system roof exit pupil diameter 25 mm angle of view 55 field of view in 1000 m 96 m twilight factor 158 relative brightness 6 25 focussing system individual focus viewing monocular coating multi coated weight 133 g special features for spectacle wearers rubber armouring outdoor function waterproof