Built for hunters who need dependable, hard-working optics, the Diamondback® HD delivers sharp resolution, rich contrast, and rugged reliability in a lightweight design built for any hunt. Its HD Optical System uses premium glass to enhance color accuracy, edge-to-edge clarity, and light transmission, while fully multi-coated and dielectric prism coatings ensure bright, true-to-life images in all conditions. Designed for performance and comfort, it features a true open hinge for better ergonomics, adjustable eyecups, and a smooth center focus wheel. ArmorTek® lens coatings and rubber armor guard against scratches, oil, and impact, and argon-gas purging ensures fogproof, waterproof protection in any weather. Tripod adaptable and shockproof, the Diamondback® HD is a durable workhorse that delivers the clarity and confidence hunters count on, season after season. Specifications Magnification: 10x Objective lens diameter: 50mm Eye relief: 17mm Exit pupil: 5mm Linear field of view: 315ft / 1000yds Angular field of view: 6.0 degrees Close focus: 6ft Interpupillary distance: 60-75mm Height: 6.6" Width: 5.3" Weight: 30oz Included in the box: GlassPak binocular case, GlassPak binocular harness, neck strap, tethered objective lens covers, Rainguard eyepiece cover, lens cloth