NEW Nikon 10x25mm ProStaff ATB Waterproof All Terrain Porro Prism Binoculars. Long eye relief (15+mm) turn and slide rubber eyecups and a click-stop diopter adjustment are just a few of the user-friendly features on this Binoculars. The rubber-armored body aspherical eyepiece lenses lead-and-arsenic-free Eco-Glass are things you would expect to pay much more for. Add multicoated Nikon optics and waterproof fogproof performance and you really have great value in a Binoculars. Nikon Sport Optics has engineered the optical system in Nikon 7485 ProStaff ATB Waterproof 10x25mm Binoculars to deliver close focus distances of under ten-feet. And the field of view ranges from 330 feet in the 8-power to 220 feet in the 12-power model. The ergonomic body design of this Binoculars allows for extended viewing sessions in total comfort. Nikon 10x25mm ProStaff ATB Binoculars are backed by Nikon Sport Optics's 25 Year Limited Warranty and No-Fault Repair/Replacement Policy. Specifications for Nikon ProStaff ATB 10x25mm Waterproof All Terrain Porro Prism Binoculars: Manufacturer: Nikon Color: Black Magnification: 10 x Objective Lens Diameter: 25 mm Prism System: Porro Prism Material: BAK4 Eye Relief: 15.9 mm Exit Pupil: 2.5 mm Field of View Linear: 262 ft at 1000 yds Binoculars Focus System: Center Focus Close Focus: 9.2 ft Water Resistance Level: Waterproof Length: 2.8 in Weight: 12.9 oz Condition: New Magnification Type: Fixed Brightness Index: 6.3 Fogproof: Yes Nitrogen Filled: Yes Objective Lens Material: Eco-Glass Armoring: Rubber Armored Features of Nikon ProStaff 10x25mm Waterproof Binocular: 100percent Waterproof/Fogproof. Compact and lightweight. Aspherical eyepiece lenses provide crisp distortion-free field of view. Long eye-relief for eyeglass wearers. Rubber armored polycarbonate body. Eco-glass lenses and prisms for high performance and weight-savings. Twist-up eyecups for easy viewing. Package Contents: Nikon ProStaff 10x25mm Waterproof Binocular Nikon 7485: NEW 10x25mm ProStaff ATB Waterproof All Terrain Porro Prism Binoculars 7485