Compact binoculars area of use travel golf nature bird watching hunting magnification 7 x lens diameter 33 mm prism system roof exit pupil diameter 47 mm min focus distance 2 m angle of view 91 field of view in 1000 m 159 m twilight factor 152 relative brightness 22 1 focussing system central focus viewing straight binocular coating fully multi coated weight 601 g eye relief 15 included in delivery pouch lanyard shoulder strap lens ca