Magnifying life does, indeed, include sea life. And these are just the binoculars to do it. The legendary 7x50mm Marine™ binoculars are a premier choice for spotting marinas, deadheads or the fisherman's best friend, feeding birds. Built to withstand rugged nautical conditions, they are nitrogen-purged to provide reliable waterproof/fogproof performance. Hermetically sealed to further assure that no moisture creeps in. Impressive light transmission from BaK-4 porro prisms, multi-coated optics and large UV-coated objective lenses brighten images from dusk to dawn They not only float, but easy-grip rubber armoring protects and provides a secure hold should things get rough. FEATURES : BaK-4 porro prisms for bright, clear, crisp viewing Multi-coated optics for superior light transmission and brightness Rugged, 100% waterproof construction O-ring sealed and nitrogen-purged to keep out moisture Highly resistant to saltwater corrosion Individual eye focus Non-slip, non-skid rubber armor cushions bumps and shock, prevents sliding, and provides a firm grip when wet |