Outdoor binoculars area of use travel watersports outdoor sports magnification 8 x lens diameter 30 mm prism system porro exit pupil diameter 375 mm min focus distance 2 m angle of view 69 field of view in 1000 m 120 m twilight factor 155 relative brightness 14 06 focussing system auto focus viewing straight binocular weight 611 g included in delivery sun visor special features for spectacle wearers rubber armouring outdoor function water