Outdoor binoculars area of use outdoor sports magnification 8 x lens diameter 42 mm prism system porro exit pupil diameter 525 mm min focus distance 5 m angle of view 6 field of view in 1000 m 105 m twilight factor 183 relative brightness 27 56 focussing system central focus viewing straight binocular coating fully multi coated weight 624 g special features rubber armouring outdoor function waterproof