The Viper HDs significantly step up their game in 2011 with HD (High Density) extra-low dispersion glass. One look is all you'll need to appreciate why the Viper is an award-winning bino. Add XR fully multi-coated lenses and you have a bino that delivers bright, crisp details with impressive resolution and color fidelity. Rugged, compact and lightweight—one of the lightest full-size binos available. It's no mystery why the Vipers are an award-winner, our Viper HD binoculars pack in all the features you need for a successful hunt. See what premium optics can do for you!