Vanguard Spirit ED Binocular, Black ED glass for superior color reproduction Bak4 phase-coated prisms and fully multi-coated lenses Two stage twist out eyecups with long eye relief 100% waterproof and fogproof Advanced lens coatings for outstanding performance even in low light conditions Lightweight, ergonomic body design with large, precise focus wheel Premium Lifetime Warranty Magnification: 10x, Objective Lens Diameter: 42mm, Field of view: 314 ft/1000 yards, View angle: 6 degrees, Near focus: 9.2 feet, Eye relief: 16 mm, Weight: 22.6 ounces