Outdoor binoculars area of use hunting watersports nature travel outdoor sports magnification 10 x lens diameter 24 mm prism system roof exit pupil diameter 24 mm min focus distance 25 m angle of view 53 field of view in 1000 m 93 m twilight factor 155 relative brightness 5 76 focussing system central focus viewing straight binocular coating multi coated special features rubber armouring