Universal binocular polycarbonate frame twist up eyecups area of use nature travel magnification 8 x lens diameter 32 mm prism system roof exit pupil diameter 4 mm angle of view 74 field of view in 1000 m 129 m twilight factor 16 relative brightness 16 focussing system central focus viewing straight binocular coating fully multi coated weight 629 g eye relief 18 special features for spectacle wearers rubber armouring outdoor function wa