Water can cause havoc with most optics, but it won't phase Tasco OffShore binoculars. Water and fog can't penetrate them - rubber o-rings seal nitrogen-purged tubes, keeping the binoculars free from moisture. The multi-coated optics offer premium light transmission for low light situations while eliminating the glare that is often prevalent in marine environments.

Traditional Porro Prism Optical Path.
Multi-coated lenses deliver dazzling images, even in low light.
Rugged, weather-resistant housing for use any time, anywhere.