Pentax UCF WP 10x25 Binoculars The PENTAX UCF WP series of binoculars aren't afraid of a little water. Featuring nitrogen-filled waterproof (JIS Class 6) construction and a unibody design, these hardy binoculars are durable enough to stand up to even the wettest weather conditions. Available in two magnifications, the PENTAX UCF WP line features high-refraction BaK4 glass prisms for superior viewing, aspherical eyepiece lens elements for edge-to-edge sharpness, and fully multi-coated optical elements for improved light transmission and decreased glare. Compact, lightweight, and durable, the PENTAX UCF WP series are the ideal choice for use on or around water. Features: - Use your binoculars in the most extreme weather conditions. Waterproof (JIS Class 6) construction allows these binoculars to be submersed in water up to 1 meter. - Protect your binoculars against dust and scratches with a rubber housing. - See your subjects more clearly with fully multi-coated optical elements that improve light transmission. - Use your binoculars with or without glasses with long eye relief (15mm). - Enjoy extended eye relief with a helicoid type eyepiece ring. - The PENTAX UCF WP series comes with a limited lifetime warranty. - Take your binoculars anywhere. An inverted porro-prism design results in a compact and lightweight body. Durability is provided with a dual axis, single body design and inner-focus optical design. - Focus on nearby subjects with a short minimum focusing distance (6.2 ft./1.9m). - View your subject with better edge-to-edge sharpness with aspherical eyepiece lens elements. - View your subjects with high-refraction BaK4 glass prisms that transmit more light at the edges to enhance illumination. - Keep your diopter settings locked with a fully retractable pop-up diopter adjuster Specifications: OBJECTIVE LENS: 3 elements in 2 groups FOCUSING RANGE: 6.2 ft. - infinity LENS: 5 elements in 5 groups PRISM: Porro OBJECTIVE LENS DIAMETER: 25mm 10X APPARENT FIELD OF VIEW: 50 degrees REAL FIELD OF VIEW: 5.0 degrees FIELD OF VIEW AT 1000M: 87m COATING: Fully multi-coated BINOCULAR TYPE: Porro prism, center focusing (linked-dual-axis) FIELD OF VIEW AT 1000Y: 261 EXIT PUPIL: 2.5mm EYE RELIEF: 15mm MULTI LAYER COATING: Yes RELATIVE BRIGHTNESS: 6.3 DIOPTER ADJUSTMENT RANGE: +/- 3 m -1 EYE WIDTH ADJUSTMENT RANGE: 2.2 3.1 EYEPIECE RING: Helicoid Type BODY COLOR: Midnight Blue HEIGHT WIDTH: 4.4 x 4.6 THICKNESS: 2.7 WEIGHT: 12.3 oz. WATERPROOF: 1m depth of water (JIS Class 6) CAMERA ACCESSORIES: Eyepiece Lens Cap, Case, Strap MINIMUM FOCUSING DISTANCE: 6.2 ft.
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