The Fujifilm Fujinon 7x50 WP-XL Mariner Binocular is ideal for marine leisure activities. Designed primarily for use on boats, these binoculars are waterproof, lightweight and rugged. The combination of reasonable price and high functionality makes these binoculars ideal for use not only on the water, but everywhere else as well. Combining great performance and value, the marine binocular is entry-level boating binocular with multicoated lenses, a tough polycarbonate exterior, and lightweight 7x50 waterproof & fogproof optic. This rubber armored unit will actually float in water when the included strap is attached.Features: Economical Boating Model, floats in the water and Waterproof & FogproofPorro Prism with 7.5 degrees Angle of View and Individual FocusLight Polycarbonate Housing with Rubber Armored and 56-72mm Interpupillary DistanceTough Peel-Down Type Eyecupsideal for marine leisure activities