Bushnell Marine 7x50 Binocular Made of the highest quality materials Cameras & Photo Binoculars Another quality Bushnell product Marine binocular with 7x magnification and 50mm objective lens Nitrogen-purged to ensure reliable waterproof/fogproof performance BaK-4 porro prisms and multicoated optics produce bright, crisp images Easy-grip rubber armoring floats in water; built-in internal compass 350-foot field of view @ 1,000 yards; weighs 37 ounces