Go with the pro for smoother sailing For top performance in a marine environment, Nikon binoculars are the way to go. All the models in our Marine lineup deliver crisp, brilliant images. They're sealed with O-rings and filled with nitrogen gas to minimise the effect of temperature changes, making them ideal for nautical applications. And selected models even feature a built-in compass to help keep you on course. Nikon's waterproof, weather-resistant binoculars － performance you can count on.