Even in the most challenging conditions, our ever-popular H2O™ binoculars stay on board and in your hands with a Soft Texture Grip. O-ring sealed and nitrogen purged. And to maximize light transmission and clarity, multicoated optics and premium quality BaK-4 prism glass are included.   >Lower 8x magnification and 42mm objective combine for easy viewing with this roof prism version of our H2O binocular.>Roof prism - This roof prism binocular offers a more compact footprint than comparable Porro prism designs>Non-slip rubber armor - Protects binoculars from impact and provides sure grip in damp marine environments.>Multi Coated Optics - Multiple layers of coatings on all lens surfaces increase light transmission and image brightness.>Waterproof Construction - O-ring sealed optics stay dry inside, even when totally immersed in water.