Find the Vortex Optic that is right for you. Trust your vision on the next hunt to Vortex Crossfire Binoculars. The quality roof prism optical system features fully multicoated anti-reflective lenses that present excellent light transmission and clarity for superb views. A wide field of view and enhanced depth of field ensure optimal subject acquisition. Twist-up eyecups, a smooth center-focus wheel and right-eye diopter put precise adjustments at your fingertips. Nitrogen gas-purged and O-ring sealed for fogproof, waterproof performance. Durable rubber armor with clean, sleek styling provides a secure, nonslip grip. Manufacturers unlimited lifetime warranty. Cancer and Reproductive Harm- www.P65Warnings.ca.gov. Type: Full-Size.