Zoom binoculars area of use hunting nature magnification 16 x lens diameter 40 mm zoom factor 2 times prism system porro exit pupil diameter 25 mm min focus distance 10 m angle of view 5 field of view in 1000 m 87 m twilight factor 253 relative brightness 6 25 diopter correction 1 0 dpt focussing system central focus viewing straight binocular coating multi coated weight 790 g included in delivery pouch shoulder strap eyepiece caps