Compact binoculars area of use travel golf nature bird watching hunting magnification 9 x lens diameter 33 mm prism system roof exit pupil diameter 306 mm min focus distance 25 m angle of view 72 field of view in 1000 m 126 m twilight factor 17 relative brightness 13 focussing system central focus viewing straight binocular coating fully multi coated weight 570 g included in delivery pouch lanyard rainguard lens caps outdoor function