Spotting scope area of use hunting nature bird watching wildlife watching golf magnification 60 x lens diameter 80 mm prism system roof exit pupil diameter 133 mm min focus distance 6 m angle of view 1 field of view in 1000 m 17 m twilight factor 693 relative brightness 1 77 focussing system central focus viewing monocular 45 angled coating fully multi coated weight 1 680 g eye relief 20 special features rubber armouring outdoor functi