Outdoor binoculars area of use bird watching nature outdoor sports magnification 10 x lens diameter 25 mm prism system roof angle of view 697 field of view in 1000 m 122 m relative brightness 9 76 focussing system central focus viewing straight binocular monocular weight 156 g included in delivery lens caps pouch cleaning cloth manual special features for spectacle wearers outdoor function waterproof prismenglas bak 4