Universal binocular spotting scope area of use golf bird watching travel nature hunting wildlife watching magnification 10 x lens diameter 34 mm suitable for beginner intermediate exit pupil diameter 34 mm min focus distance 2 m angle of view 61 field of view in 1000 m 107 m twilight factor 184 relative brightness 11 56 focussing system central focus viewing straight binocular monocular coating fully multi coated weight 429 g eye relief