Vortex Diamondback 20-60x60 Spotting Scope - Angled - The Diamondback spotter delivers outstanding performance-clearly a superb choice when you need a heavyweight performer in a lightweight, compact package. The Diamondback line ensures a bright, crisp image throughout the magnification range and its rugged construction stands up to rough use in the field. XR Fully Multi-Coated Proprietary coatings increase light transmission with multiple anti-reflective coatings on all air-to-glass surfaces.; Dielectric Coating Multi-layer prism coatings provide bright, clear, color-accurate images.; Porro Prism Valued for a rich depth of field, wide field of view, and three-dimensional image.; Angled Body Design Valued for allowing an overall lower mounting height which maximizes stability in wind, offers greater comfort when glassing for extended periods, and permits the use of a smaller, lighter tripod.; Waterproof O-ring seals prevent moisture, dust and debris from penetrating for reliable performance in all environments.; Fogproof Nitrogen gas purging prevents internal fogging over a wide range of temperatures.; Adjustable Eyecups Twist up and down for comfortable viewing with or without eyeglasses.; Built-in Sunshade Reduces glare and shields the objective lens from raindrops and snow.; Rotating Tripod Ring Allows rotation of the eyepiece to a sideways position, providing adjustable viewing angles.;