Bushnell H2O series is meant to withstand the compound for which it is named. O-ring sealed and nitrogen purged, these pairs of Bushnell binoculars are completely waterproof and fog-free. When the weather gets wet, textured pads in the binoculars' rubber armor let you keep a firm grip on these compact binoculars. Aside from their water-friendliness, Bushnell H2O binoculars feature high light transmission values and excellent clarity, thanks to their multi-coated optics and BaK-4 prisms. Binoculars in the H2O line are also comfortable and easy to use, with twist-up eyecups, a big center focus knob, and long eye relief that won't strain your vision. If you're going to be on the water, you might as well have a pair of Bushnell binoculars that were made to get wet: choose an H2O by Bushnell.