Nikon PROSTAFF P7 10x30mm Binocular Roof Prism Black. Nikons multilayer coating increases brightness and clarity and a generous field of view makes it easier to follow fast-moving subjects. Add high-end features like a locking diopter ring and an oil and water repellent coating for easier cleaning and you have a lightweight waterproof binocular to take your viewing to the next level. Specifications for Nikon ProStaff P7 10x30mm Roof Prism Binocular: Manufacturer: Nikon Color: Black Magnification: 10 x Objective Lens Diameter: 30 mm Prism System: Roof Field of View Linear: 346 ft at 1000 yds Optical Coating: Multilayer-coated lenses Weather Resistance: Yes Water Resistance Level: Waterproof Weight: 16.6 oz Features of Nikon ProStaff P7 10x30mm Roof Prism Binocular Fully multicoated lenses and prisms. Long Eye Relief. Turn-and-slide rubber eyecups. Phase-Correction-Coated roof prisms for high resolution. Dielectric high-reflective multilayer prism coatings ensure superior light transmittance and more natural colors. Lead and arsenic free glass. Rubber armored exterior for shock resistance and a firm non-slip grip. Waterproof (up to 1m/3.3ft for 10 minutes) and nitrogen-purged for fog-free performance. Locking diopter control maintains your personal setting. Oil and water repellent coating applied to both eyepiece and objective lens surfaces. Wide apparent field of view. Lightweight body uses fiberglass reinforced polycarbonate resin. Package Contents: Nikon ProStaff P7 10x30mm Roof Prism Binocular Nikon 16771: PROSTAFF P7 10x30mm Binocular Roof Prism Black