Universal binocular area of use travel nature magnification 10 x lens diameter 42 mm prism system roof exit pupil diameter 42 mm min focus distance 12 m angle of view 68 field of view in 1000 m 114 m twilight factor 205 relative brightness 17 64 focussing system central focus viewing straight binocular weight 780 g special features rubber armouring outdoor function waterproof