Compact binoculars area of use travel nature magnification 10 x lens diameter 25 mm prism system roof suitable for beginner intermediate exit pupil diameter 25 mm angle of view 55 field of view in 1000 m 96 m twilight factor 158 relative brightness 6 25 focussing system central focus viewing straight binocular coating fully coated weight 190 g colour blue included in delivery lanyard cleaning cloth special features transportable outdo