Nikon 8208 Oceanpro 7 X 50 MM Binoculars With Compass. Nitrogen filled and o-ring sealed to give you a waterproof, shockproof, and fog-proof product. Made with a rubber armored exterior which gives a non-slip grip to prevent sliding on the helm station or console in any weather condition. Tough, lightweight polycarbonate construction, durable enough for various environments. With precision ground lenses that have multiple layers of anti-reflective coatings, they give superior brightness, enhanced resolution, and critical high-contrast. This provides excellent quality even under low light and bad weather conditions. They also give maximum light gathering, with easy focus from