Universal binocular area of use nature watersports travel magnification 12 x lens diameter 56 mm prism system roof suitable for expert intermediate exit pupil diameter 467 mm min focus distance 2 m angle of view 5 field of view in 1000 m 95 m twilight factor 259 relative brightness 21 81 focussing system central focus viewing straight binocular coating fully multi coated weight 850 g eye relief 18 material plastic colour green incl