Featuring waterproof JIS Class 6 construction and a unibody design, the 8 x 25 UCF WP binocular isn't afraid of a little water. Compact, lightweight, and packed with performance, it provides a 324 foot field of view and 8X magnification. Inverted porro prism and a dual axis, inner focus optical design results in a compact and lightweight body. Fully waterproof, JIS Class 6 construction allows these binoculars to be submersed in water up to 1 meter. Focus on nearby subjects with a short minimum focusing distance of 6.2 feet. See objects more clearly with fully multi coated optical elements that improve light transmission. Better edge to edge sharpness with aspherical eyepiece lens. Keep your diopter settings locked with a fully retractable pop up diopter adjuster. Includes neck straps, carry case, and eyepiece caps. Specifications: Type: porro prism, center focusing linked dual axis Objective lens: 3 elements in 2 groups Eyepiece lens: 5 elements in 5 groups Coating: fully multi coated Magnification: 8X Objective lens diameter: 25 mm Real field of view: 6.2 degrees Apparent field of view: 50 degrees Field of view 1000 m: 108 m Field of view 1000 yd: 324 ft Exit pupil: 3.1 mm Eye relief: 15 mm Minimum focusing distance: 6.2 ft Relative brightness: 9.6 Diopter adjustment range: 3 m 1 Eye distance adjustment range: 2.2 3.1 Focusing range: 6.2 ft infinity Eyepiece ring: Helicoid type Waterproof: JIS Class 6 up to 1 m Weight: 12.3 oz.