Universal binocular area of use travel magnification 10 x lens diameter 30 mm prism system porro exit pupil diameter 3 mm min focus distance 2 m angle of view 6 field of view in 1000 m 105 m twilight factor 1732 relative brightness 900 focussing system auto focus viewing straight binocular coating high contrast weight 611 g included in delivery pouch shoulder strap lens caps special features for spectacle wearers rubber armouring outdoor