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VIPER 20-60X80 STRAIGHT SPOTTING SCOPE For long-range observation, the 20-60x80 Viper spotting scope puts incredible viewing at your fingertips. XR anti-reflective coatings team up with XD extra-low dispersion glass for images that are bright, crisp, and sharp. Meet challenging conditions head-on with the superior fogproof and waterproof performance of the rugged Viper. Easily the best way to make your trophy selection without putting a mile on your boots, the high-performing Viper spotting scope has your name on it. OPTICAL FEATURES XD Lens Elements Extra-low dispersion (XD) glass increases resolution and color fidelity, resulting in crisp, sharp images. XR Lens Coatings Vortex proprietary XR anti-reflective coatings, fully multi-coated on all air-to-glass lens surfaces, increase light transmission for maximum brightness. CONSTRUCTION FEATURES Porro Prism Offers maximum image quality and performance in a traditional design. Straight Body Design Valued for speedy target acquisition and ease of use. Most compatible design for use with car window mounts. Waterproof Optics are sealed with o-rings to prevent moisture, dust, and debris from getting inside the spotting scope. Fogproof Argon gas purging guarantees superior fogproof and waterproof performance. ArmorTek Ultra-hard, scratch-resistant coating protects exterior lenses from scratches, oil and dirt. CONVENIENCE FEATURES Twist Eyecup Twists up and down for comfortable viewing with or without eyeglasses. Dual Focus Allows for maximum focusing precision with both coarse and fine focus adjustments. Sunshade Reduces glare and shields the objective lens from raindrops and snow. Rotating Tripod Ring Allows rotation of the eyepiece to a sideways position—most useful for viewing through an angled spotting scope body on a car window mount. Picatinny Accessory Rail Allows easy attachment of red dot type sights. Magnification 20-60 x Objective Lens Diameter 80 mm Linear Field of View 110-50 feet/1000 yards Angular Field Of View 2.1-1 degrees Close Focus 22 feet Eye Relief 18 mm Exit Pupil 4.1-1.4 mm Length 17.5 inches Weight 62.2 ounces Product Manual (PDF) Download