Extendable telescope monocular spotting scope area of use travel nature bird watching wildlife watching golf hunting magnification 30 x lens diameter 75 mm exit pupil diameter 25 mm min focus distance 10 m angle of view 24 field of view in 1000 m 42 m twilight factor 474 relative brightness 6 25 diopter correction 5 0 dpt focussing system individual focus viewing straight monocular weight 1 200 g