Nikon Action Extreme 7x50 Porro Prism Waterproof Binoculars Matte Black. Nikon Action binoculars feature a metal chassis with lens fittings housed in a tough lightweight polycarbonate body shell. Like all Nikon All Terrain Binoculars the Nikon 7239 EX is nitrogen-filled and O-ring sealed for total waterproof fogproof and shockproof performance in any environment. The Binoculars are ergonomically shaped Binoculars adaptable and rubber coated for a non-slip grip whether wet or dry. The Nikon Action Binoculars each feature a unique click-stop eyecup design that not only delivers long eye relief but also allows for variable eye relief that is customizable to the user's own eyes and eyeglasses. These Binoculars by Nikon have central focus with a diopter control to correct for normal right/left eye vision imbalance. Nikon 7 x 50mm EX Action Binoculars feature Apparent Angles of View that are at or exceed 60 degrees making thstrong true wide angle binoculars. Specifications for Nikon Action Extreme 7x50mm Waterproof Porro Prism Binocular: Manufacturer: Nikon Color: Black Magnification: 7 x Objective Lens Diameter: 50 mm Prism System: Porro Prism Material: BAK4 Eye Relief: 17.1 mm Exit Pupil: 7.1 mm Field of View Angle: 6.4 degrees Optical Coating: Multi-Coated Binoculars Focus System: Center Focus Close Focus: 23 ft Water Resistance Level: Waterproof Length: 7 in Weight: 35.3 oz Condition: New Included Accessories: Case Neck Strap Magnification Type: Fixed Tripod Adaptable: Yes Nitrogen Filled: Yes Fogproof: Yes Strap: Yes Brightness Index: 50.4 Armoring: Rubber Armored Eyecups Types: Turn-and-Slide Features of Nikon 7 x 50 Action Ex Binocular - Nikon 7239: Rugged Waterproof Fogproof construction Rubber armor for sure grip Bright multicoated optics Turn-and-Slide Rubber Eyecups Long eye relief for eyeglass wearers Quick central focusing Diopter control for strain-free viewing BaK4 High Index Prisms Includes neck strap and case 25-Year Limited Factory Warranty Package Contents: Nikon 7239 Action EX All Terrain Binoculars 50mm Nikon Action Extreme 7x50 Porro Prism Waterproof Binoculars Matte Black 7239