Compact binoculars area of use nature travel magnification 16 x lens diameter 32 mm prism system roof suitable for beginner intermediate exit pupil diameter 2 mm angle of view 36 field of view in 1000 m 63 m twilight factor 226 relative brightness 4 focussing system central focus viewing straight binocular coating ruby material plastic colours black silver included in delivery shoulder strap cleaning cloth pouch manual special features