Razor 8.5x50 Binocular The Vortex Razor Binoculars are also available as 8x42, 10x42, 10x50, and 12x50. Binoculars on the cutting edge of optics Designed by the world's leading optical engineers, the innovative Vortex Razor binoculars are winning admiration and approval from the most discriminating and demanding observers. European styling, features and performance are now yours for a most reasonable investment! World-class image quality Experience razor sharp images from dawn to dusk, in sunshine or shadow. When natural color is what you want, the 8.5x50 Razor binocular truly delivers! With extra size in the objective and extra power in the magnification, this binocular really pulls in the details you need! Patented multi-layered lens and prism coatings work relentlessly for unmatched image quality and color fidelity. XD glass brings you truer color, finer resolution and detailing with extra-low dispersion glass. XR multi-layer coatings increase resolution and light transmittance for superior details at all times of the day. Phase corrected roof prism surfaces are expertly cut, polished and silver-coated. A rugged binocular for a lifetime of viewing Durability, ruggedness and dependability are hallmarks of the Razor's solid design — unyielding to the forces of nature. If you could look inside the Razor, you'd see how this binocular is fortified with features for a long life of serious use. Built on a rugged chassis, you'll enjoy a lightweight carry and solid hold in any weather with well-placed fingertip grips and rubber armor. In addition, Vortex guarantees absolute waterproofing and fogproofing with Argon gas purging Argon Gas Purging Eliminates internal fogging. Maintains protective properties over a wider range of temperatures. Does not absorb water. Does not react chemically with water. Does not diffuse as quickly as other elements, extending the service life of the optics longer. Comfort is in the details Refined handling begins with thoughtful design and ends with your complete satisfaction. You'll enjoy longer hours in the field with the well-balanced 8.5x50 Razor binocular — featuring fine ergonomics that leave you relaxed at the end of a full day. Fine focus corrections are locked in place with a conveniently placed center diopter. Satisfying full field viewing comfort comes with tapered eyecups that retract to your choice of several distinct positions. Flared eyecups replace standard eyecups to block out bright stray light and keep image contrast at its best. Learn MoreIncluded with the Razor 8.5x50 Binocular Binocular: Interchangeable eyecups with side shields Rainguard Tethered objective lens covers Deluxe contoured neck strap Deluxe padded carry case Vortex VIP Lifetime Warranty Mag.5x Objective Lens Diameter The diameter of the light-gathering lens expressed in millimeters. The larger the number the better the resolution and the more light the optic lets in. 50mm Exit Pupil Exit Pupil indicates available light that can enter through your pupils. The larger the number the brighter the binocular will be in low light. 5.88mm Eye Relief Eye relief in a binocular refers to the distance images are projected from the ocular lens to their focal point. Note: without proper eye relief, the eyeglass wearer will not see the full field of view. 18mm Linear FOV at 1000 Yards The linear field of view at the widest dimension of the circular viewing area at 1000 Yards away. 358 feet Angular Field of View In degrees the field of view at the widest dimension of the circular viewing area at 1000 Yards away. 6.8 degrees Close Focus The minimum distance the binocular/spotting scope can focus to. 9.8 feet Interpupillary Distance The range in millimeters the two eyepieces can be moved apart by opening and closing the binocular's hinge. 56 - 76 mm Height 7.5 inches Width 5.8 inches Weight 37.0 ounces Tripod Adaptable Yes