Universal binocular area of use nature travel magnification 10 x lens diameter 25 mm prism system porro suitable for beginner exit pupil diameter 25 mm min focus distance 19 m angle of view 5 field of view in 1000 m 87 m twilight factor 158 relative brightness 6 25 focussing system central focus viewing straight binocular coating fully multi coated weight 300 g eye relief 15 colour black included in delivery pouch special features