Ultra rugged and adaptable to seamlessly help you thrive in conditions where others might falter, Viper HD was designed for river bottoms all the way to the Rockies. During even the roughest conditions, Viper HD manages to provide bright, crystal-clear images. It goes without saying that a serious hunter needs top-notch clarity and construction which allows the creation of opportunities that lead to success. Whether glassing for game or sighting in at the range, the clarity and ruggedness offered by Viper HD is unmatched.