Spotting scope area of use bird watching wildlife watching nature golf hunting magnification 22 x lens diameter 100 mm exit pupil diameter 455 mm min focus distance 10 m angle of view 3 field of view in 1000 m 53 m twilight factor 469 relative brightness 20 7 viewing monocular 45 angled coating fully multi coated weight 2 000 g outdoor function waterproof