Outdoor binoculars area of use nature travel outdoor sports magnification 10 x lens diameter 28 mm prism system roof exit pupil diameter 28 mm min focus distance 33 m angle of view 57 field of view in 1000 m 100 m twilight factor 167 relative brightness 7 84 focussing system central focus viewing straight binocular coating fully multi coated weight 340 g eye relief 15 special features for spectacle wearers rubber armouring outdoor func