Nikon Prostaff 3s Binocular 10x42 Model 16031 Features Multilayer-coated lenses for brighter images High-reflectivity silver-alloy mirror coating for a bright and clear view Long Eye Relief Turn-and-slide rubber multi-click eyecups Wide field of view Lead and arsenic free Eco-glass Lightweight body uses fiberglass-reinforced polycarbonate resin Rubber armoring for shock resistance and a firm, comfortable grip Waterproof and Fogproof The Nikon Prostaff 3S binocular features 42mm objective lenses, yet the body is noticeably lightweight and compact to assure superb portability. In addition, the large field of view allows the user to locate the subject easily. Other features include prisms with high-reflective silver-alloy mirror coatings and multi-layer coated lenses that provide bright and clear viewing. Also, turn-and-slide rubber eyecups with multi-click adjustments are included, allowing easy eye positioning at the correct eye point, even for eyeglass wearers. With a large field-of-view, Nikon’s legendary optical system, and a well-engineered housing that comfortably conforms to user’s eyes and hands, Nikon’s PROSTAFF 3S binocular is ideal for hunting, hiking, birdwatching, observing sporting events, and other outdoor activities. Accessories Included: Carry case Neck lanyard Lens covers Product Information Color Black Waterproof Yes Length 6 Inches Weight 20.3 Ounce Magnification 10 Power Variability Fixed Minimum Power 10 Maximum Power 10 Lens Coating Fully Multi-Coated Warranty Nikon No Fault Lifetime Warranty Lens Covers Included Yes Fog Proof Yes Objective Lens Diameter 42 Millimeter Eye Relief 15.7 Millimeter Exit Pupil Diameter 4.2 Millimeter Prism Type Roof Minimum Focus Distance 9.8 Feet Field of View @ 1000 Yards 367 Feet Case Included Yes