The Leupold BX-1 Marksman HD 12x50mm binocular combines high magnification and large objective lenses for hunting, scouting, and long-range outdoor observation. Its Advanced Optical System is designed to balance light transmission, glare reduction, resolution, and clarity, while the high-impact polymer housing and easy-grip rubber armor support dependable field handling. Twist-up eyecups, precision focus adjustment, and a threaded tripod-adapter connection provide practical options for extended viewing.Specifications and Features: 12x magnification 50mm objective lenses Advanced Optical System High-impact polymer housing with rubber armor Twist-up eyecups and precision focus adjustment 1/4-20 threaded tripod adapter Waterproof and fogproof construction 19.4 oz published product weight