The Vortex Diamondback HD 10 x 50 Binoculars are a great choice for keeping an eye on your next trophy. Using fully multicoated lenses and an HD optical system, these binoculars deliver increased light transmission, resolution, color fidelity and sharpness for image clarity, while the ArmorTek® lenses help protect the binoculars from oil, dirt and scratches. Adjustable eyecups allow for comfortable viewing, and the water, shock and fogproof design ensures use in most weather conditions.