The Viper HD—a premium-quality binocular packed with everything you need and nothing you don't. Rugged, compact and lightweight (one of the lightest full-size binoculars to date), it's easy to see why the Vipers are award winners. Add in HD (High Density) extra-low dispersion glass for impressive resolution and color fidelity and the Vipers change more than the game. They change the results, too.
| Magnification | 12 x |
| Objective Lens Diameter | 50 mm |
| Eye Relief | 15 mm |
| Exit Pupil | 4.2 mm |
| Linear Field of View | 252 feet/1000 yards |
| Angular Field of View | 4.8 degrees |
| Close Focus | 8.5 feet |
| Interpupillary Distance | 59-75 mm |
| Height | 6.7 inches |
| Width | 5.2 inches |
| Weight | 28 ounces |
| Product Manual (PDF) | Download |
| HD Lens Elements | HD (High Density) extra-low dispersion glass delivers impressive resolution and color fidelity, resulting in High Definition images. |
| XR™ Fully Multi-Coated | Proprietary coatings increase light transmission with multiple anti-reflective coatings on all air-to-glass surfaces. |
| Dielectric Prism Coatings | Multi-layer prism coatings provide bright, clear, color-accurate images. |
| Phase Correction | Coating on roof prism models enhances resolution and contrast. |
CONSTRUCTION FEATURES |
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| Roof Prism | Valued for greater durability and a more compact size. |
| Waterproof | O-ring seals prevent moisture, dust and debris from penetrating the binocular for reliable performance in all environments. |
| Fogproof | Argon gas purging prevents internal fogging over a wide range of temperatures. |
| ArmorTek | Ultra-hard, scratch-resistant coating protects exterior lenses from scratches, oil and dirt. |
| Rubber Armor | Provides a secure, non-slip grip, and durable external protection. |
CONVENIENCE FEATURES |
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| Adjustable Eyecups | Twist up and down to precise, intermediate settings to maximize custom fit for comfortable viewing with or without eyeglasses. |
| Center Focus Wheel | Adjusts the focus of both binocular barrels at the same time. |
| Locking 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. |
