Specifications Magnification – 10x Objective Lens Diameter – 42 mm Eye Relief – 17.0mm Angular Field of View 6.4º Close Focus – 15.3′ Interpupillary Distance – 55mm – 75mm Linear Field of View – 334′ @ 1000 yds Height – 6.1″ Width – 5.0″ Weight – 22.9 oz. Features HD Optical System – Optimized glass elements deliver exceptional resolution, cut chromatic aberration, and provide outstanding color fidelity, edge-toedge sharpness, and light transmission. Fully Multi-Coated Lenses – Anti-reflective coatings on all air-to-glass surfaces provide increased light transmission for greater clarity and low-light performance. Roof Prism – Valued for greater durability and a more compact size. Rubber Armor – Provides a secure, non-slip grip, and durable external protection. Nitrogen Gas Purged Gas purged and o-ring sealed for fogproof and waterproof performance in all conditions. Tripod Adaptable – Compatible with a tripod adapter, allowing use on a tripod or car window mount Adjustable Eyecups – Twist up and down for comfortable viewing with or without eyeglasses. Center Focus Wheel Adjusts the focus of both binocular barrels at the same time. Diopter – Adjusts for differences in a user’s eyes. Located on right eyepiece. Waterproof – O-ring seals prevent moisture, dust and debris from penetrating the binocular for reliable performance in all environments. Fogproof – Nitrogen gas purging prevents internal fogging over a wide range of temperatures. Shockproof – Designed to withstand the highest levels of impact. Included in the box GlassPak™ Binocular Harness and Case Comfort Neck Strap Tethered Objective Lens Covers Eyepiece Lens Covers Lens Cloth