Eschenbach regatta 8x42 b
Marine binoculars area of use watersports magnification 8 x lens diameter 42 mm prism system roof exit pupil diameter 525 mm min focus distance 25 m angle of view 65 field of view in 1000 m 113 m twilight factor 183 relative brightness 27 56 viewing binocular straight weight 714 g outdoor function waterproof
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