MODEL- 65791 VENDOR- PENTAX IMAGING FEATURES- XCF 8x40 Binoculars The PENTAX XCF series combines outstanding optical performance with exceptional value. Ruggedly styled and providing excellent viewing comfort, the PENTAX XCF series binoculars are as easy to operate as they are to afford. High-quality BaK4 prisms and multi-coated optical elements ensure excellent image quality and light transmission. Soft but durable rubber eyepiece rings can be folded back for the convenience of eyeglass wearers. And a centrally- located, extra large focus wheel affords fast and accurate focusing. Sporting fashionable, black-finish bodies encased in full-body rubber housing, the PENTAX XCF series is ideal for almost any application--from casual viewing to serious observation. The ruggedly-styled PENTAX 8x40 XCF binocular combines outstanding optical performance with exceptional value and is ideal for almost any application. Includes Binoculars, Eye Lens Caps, Objective Lens Caps, Case, Strap.* Take your binocular anywhere. The PENTAX 8x40 XCF features a finely constructed porro-prism design and full-body rubber housing to protect the internal mechanisms and optical elements from shock and damage. A black finish adds a distinctive, attractive appearance. * See your images more clearly. PENTAX smc optics eliminate harmful ultraviolet rays and improves light transmission for high contrast images with no glare or flare. * Focus on your subject quickly and easily with a center-focus system that allows accurate and speedy focusing with simple fingertip control. * Adjust the image for your eyesight. Incorporated in the right eyepiece ring, the diopter adjustment allows near- and far-sighted viewers to easily and quickly adjust the image to match their eyesight. * Wear your eyeglasses. The PENTAX XCF series features eyepiece rings made of soft but durable rubber material that can be easily folded back to make image viewing easier for eyeglass wearers. * View your subjects even in dim light with high-quality BaK4 prisms that transmit more light at the edges to enhance illumination. * Make extended observations easy and more comfortable by combining the built-in tripod socket with a tripod and an optional Tripod Adapter-TP3 to stabilize the binoculars and prevent unwanted shake. * The PENTAX XCF series is protected by a limited lifetime warranty. -- SPECIFICATIONs -----------------------------------Binocular Type : Porro prism, center focusingLens Construction : Objective Lens: 2 elements in 1 group Eyepiece Lens : 3 elements in 2 groups Coating : Super Multi-coated Magnification : 8X Objective Lens Diameter : 40 mm Real Field Of View : 8.2 degrees Apparent Field Of View : 66 degrees Field Of View : 143m at 1000 metersField Of View : 429 ft. at 1000 yardsExit Pupil : 5.0 mmEye Relief : 13mm Focusing Distance : 20 ft. minimunRelative Brightness : 25Diopter Adjustment Range : +/- 3 m -1 Eye Width Adjustment Range: 2.3\''