For long-range observation, the 15-45x65 Viper HD spotting scope puts incredible viewing at your fingertips. Count on HD (High Density) extra-low dispersion glass for impressive resolution and color fidelity and XR fully multi-coated lenses for maximum brightness. Meet challenging conditions head-on with the superior fogproof and waterproof performance of the rugged Viper. Easily the best way to make your trophy selection without putting a mile on your boots—the high-performing Viper HD spotting scope has your name on it.