Bresser nautic 8x42 mono
Monocular area of use bird watching magnification 8 x lens diameter 42 mm prism system roof exit pupil diameter 525 mm min focus distance 13 m angle of view 71 field of view in 1000 m 123 m twilight factor 183 relative brightness 27 56 viewing monocular coating fully multi coated weight 348 g outdoor function waterproof