NIKON 7X50 OCEANPRO COMPASS BINOCULAR

Central focusing system; waterproof ( up to 1m/ 3.3 ft. for 5 minutes) and fog-free with O-ring seals and nitrogen gas Built-in compass with illuminator and scale ( 7x50CF WP Compass) High-eyepoint design for a clear field of view even for wearers of eyeglasses Multilayer-coated lenses for a bright image Rubber armouring for shock resistance and a firm, comfortable grip Floating strap provided Can be fixed to a tripod using optional tripod adaptor Magnification ( x) 7 Objective Diameter ( mm) 50 Angular field of view ( real/ degree) 7 Angular field of view ( apparent/ degree) 49 Field of view at 1000 meters ( m) 122 Exit pupil ( mm) 7.1 Relative brightness 50.4 Eye relief ( mm) 18 Close focusing distance ( m) 25 Interpupillary distance ( mm) 59-72 Weight ( g) 1210 Length ( mm) 181 Width ( mm)