Combining high-end optics with unique engineering technology, the Vortex Razor 10x50 binocular delivers outstanding natural color distinction. The inclusion of HD system in this Vortex binocular lets you experience HD video broadcasting. ArmorTek-treated lenses used in this waterproof binocular make it very strong, hard and scratch-resistant. The XD glass objective lens elements in the Vortex Razor 10x50 let you view life-like, crisp images. This Vortex binocular has adapted XT optical design virtually eliminating aberrations and offers distortion-free images. The ridged rubber armor with fingertip grips gives you a sure grip of this waterproof binocular in any weather conditions.