Vortex optics viper 8x42
Outdoor binoculars area of use outdoor sports magnification 8 x lens diameter 42 mm prism system roof exit pupil diameter 525 mm min focus distance 16 m angle of view 66 field of view in 1000 m 115 m twilight factor 183 relative brightness 27 56 viewing binocular straight weight 652 g outdoor function waterproof