Now everyone can enjoy digital image-stabilizing technology with these affordable binoculars. These advanced optics correct for common vibration as well as the cyclical, swaying motion of boats. Housing is made of impact-resistant polycarbonate Completely waterproof and buoyant Perfect for the active boater Twist-up eyepiece magnification: 12 Objective lens: 35mm Field @1000yds: 280 Eye relief: 15mm Stabilization: 3 vibration protection 3 vibration protection Includes neck-strap and carrying case One-year limited warranty Energy Efficiency