You know what they say about people who assume you can't get HD optics, rugged performance and high end formfactor in a valueprice binocular• They clearly haven't checked out the Crossfire HD. Add in the included GlassPakTM binocular harness for quick optic deployment in the field and superior protection and comfort The Crossfire HD truly is a rare find. Included in the Box GlassPak binocular case GlassPak case harness Rainguard eyepiece cover Tethered objective lens cover Comfort neck strap Lens cloth OPTICAL FEATURES HD Optical System: Optimized with select glass elements to deliver exceptional resolution, cut chromatic aberration and provide outstanding color fidelity, edgetoedge sharpness and light transmission. Fully MultiCoated: Increase light transmission with multiple antireflective coatings on all airtoglass surfaces. CONSTRUCTION FEATURES Rubber Armor: Provides a secure, nonslip grip, and durable external protection. Waterproof: Oring seals prevent moisture, dust and debris from penetrating the binocular for reliable performance in all environments. Shockproof: Rugged construction withstands recoil and impact. Fogproof: Nitrogen gas purging prevents internal fogging over a wide range of temperatures. Roof Prism: Valued for greater durability and a more compact size. CONVENIENCE FEATURES 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. Tripod Adaptable: Compatible with a tripod adapter, allowing use on a tripod or car window mount.