Marine Binocular Nikon 7x50IF WP

Nikon 7x50IF WP Key Features : Waterproof ( up to 2m/ 6.6 ft. for 5 minutes) and fog-free with nitrogen gas All lenses and prisms are multilayer-coated for the brightest images Rubber armouring for shock resistance and a firm, comfortable grip High-eyepoint design for a clear field of view even for wearers of eyeglasses Built-in compass and scale to ascertain subject direction, and distance or size ( 7x50IF WP Compass) Can be fixed to a tripod using optional tripod adaptor For : [ Marine sports, fishing] [ For eyeglass wearers] Specification : Magnification ( x) : 7 Objective diameter ( mm) : 50 Angular field of view ( Real/ degree) : 7.5 Angular field of view ( Apparent/ degree) : 49.3 Field of view at 1, 000m ( m) : 131 Exit pupil ( mm) : 7.1 Relative brightness : 50.4 Eye relief ( mm) : 18.0 Close focusing distance ( m) : 25.0 Weight ( g) : 1, 170 Length ( mm) : 178 Width ( mm) : 203 Interpupillary distance adjustment ( mm) : 56-72