Descrizione Vortex Raptor 8.5x32 Binocular Green Porro Prism Fully Multi-Coated Waterproof Fogproof There's no better value in binoculars than a pair of quality porro prisms. And we've taken porro prism performance to a whole new level with a mid-size, wide-angle design featuring waterproof, fogproof construction and fully multi-coated optics. The all-new 8.5x32 Vortex Raptor binocular delivers a bright, crisp image with excellent color fidelity—even in low light conditions. With a wide range of interpupillary distance, this binocular can be easily adjusted to fit anyone in the family, from young children to adults. Optical Features: Fully Multi-Coated Lenses Construction Features: Porro Prisms Waterproof Fogproof Rubber Armor Convenience Features: Adjustable Eyecups Center Focus Wheel Right Eye Diopter Specifications Magnification: 8.5x Objective Lens Diameter: 32mm Eye Relief: 14mm Exit Pupil: 3.8mm Linear Field Of View: 390 feet @ 1000 yards Angular Field Of View: 7.4 degrees Close Focus: 15 feet Interpupillary Distance: 50 - 70mm Height: 4.5 inches Width: 5.7 inches Weight: 17.3 ounces