Celestron oceana 8x42 mono
Monocular area of use bird watching travel magnification 8 x lens diameter 42 mm prism system roof exit pupil diameter 525 mm min focus distance 198 m angle of view 105 field of view in 1000 m 183 m twilight factor 183 relative brightness 27 56 viewing monocular coating multi coated weight 2268 g outdoor function waterproof