The Diamondback HD smashes the scale of price vs performance, delivering a rocksolid optic that optically punches high above its class. The included GlassPakTM binocular harness keeps your glass close at hand, ready to deploy at a moment's notice, all while providing protection and significantly more comfort than traditional neck straps. Included in the Box GlassPak binocular case GlassPak case harness Comfort neck strap Tethered objective lens covers Rainguard Eyepiece Cover 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. Dielectric Coating: Multilayer prism coatings provide bright, clear, coloraccurate images. ArmorTek: Ultrahard, scratchresistant coating protects exterior lenses from scratches, oil and dirt. 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: Argon 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.