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.
|Objective Lens Diameter||42 mm|
|Eye Relief||16.5 mm|
|Exit Pupil||4.2 mm|
|Linear Field of View||319 feet/1000 yards|
|Angular Field of View||6.1 degrees|
|Close Focus||5.1 feet|
|Interpupillary Distance||59-75 mm|