Hunting binoculars underwater binoculars outdoor binoculars area of use hunting digiscoping travel nature outdoor sports magnification 15 x lens diameter 56 mm prism system roof suitable for intermediate beginner exit pupil diameter 37 mm min focus distance 35 m angle of view 4 field of view in 1000 m 70 m twilight factor 29 focussing system central focus viewing straight binocular coating fully multi coated weight 1 230 g eye relief 18