Universal binocular spotting scope area of use nature bird watching hunting travel wildlife watching golf magnification 8 x lens diameter 56 mm suitable for beginner intermediate exit pupil diameter 7 mm min focus distance 35 m field of view in 1000 m 114 m twilight factor 212 relative brightness 49 viewing straight binocular monocular coating phasen vergtung weight 969 g eye relief 76 materials plastic metal colour green outdoor funct