Vortex Crossfire HD 10x50 Binoculars

The Vortex Crossfire HD 10 x 50 mm Binocular are built for the rugged outdoors. With fully multi-coated lenses and nitrogen purging to prevent internal fogging. These are built to operate in a variety of environments. Optical Features: HD Optical System Optimized with select glass elements to deliver exceptional resolution, cut chromatic aberration and provide outstanding color fidelity, edge-to-edge sharpness and light transmission. Fully Multi-Coated Increase light transmission with multiple anti-reflective coatings on all air-to-glass surfaces. Construction Features: Rubber Armor Provides a secure, non-slip grip, and durable external protection. Waterproof O-ring seals prevent moisture, dust and debris from penetrating the binocular for reliable performance in all environments. Shockproof Rugged construction withstands recoil and impact. Fogproof Nitrogen gas purging prevents internal fogging over a wide range of temperatures.