The Mariner’s Floating Binoculars
These are the buoyant binoculars that survive an accidental fall overboard. They are O-ring sealed, have an IPX5 water resistance rating, and are filled with nitrogen to resist fogging. The binoculars’ fully multi-coated 50mm objective lenses provide optimal light gathering while focusing knobs grant 7X magnification from its BaK-4 glass Porro prism system, yielding field of view of 396′ at 1,000 yards. Each lens has independent +/-5 diopter adjustment, and both lenses adjust for 56-72mm interpupillary distance and optimal exit pupil distance up to 6.8mm.
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