Nikon WX 7x50mm IF Binoculars Black. These professional-grade Binoculars deliver an ultra-wide field of view (FOV) that brings celestial objects to life right before your eyes allowing you to observe constellations like never before. The Nikon WX 7x50 Waterproof Binocular features the Field Flattener Lens System for easier stargazing sessions and a high-quality multilayer coating is applied to all lenses and the Abbe-Koening prisms to ensure a crisp bright view of the night sky. With extra-low dispersion (ED) glass you'll get high-contrast views with practically zero chromatic aberration for your astronomical observations. These binos are designed with extra eye relief for comfortable viewing sessions and the waterproof and fogproof construction allows you to use them in harsh weather conditions. Grab these 7x50mm stargazing binoculars to get the power of a telescope in a handheld format. Specifications for Nikon WX 7x50mm IF Abbe-Koenig Prism Binoculars: Manufacturer: Nikon Color: Black Magnification: 7 x Objective Lens Diameter: 50 mm Prism System: Abbe-Koenig Prism Material: BAK-4 Eye Relief: 17.7 mm Exit Pupil: 7.1 mm Field of View Angle: 10.7 degrees Binoculars Focus System: Individual Eyepiece Focus Interpupillary Distance: 58 - 78 mm Close Focus: 40.4 ft Diopter Adjustment Range: -6 - 4 dpt Length: 10.7 in Weight: 85.4 oz Magnification Type: Fixed Width: 6.7 in Depth/Thickness: 3.1 in Features of Nikon WX 7x50mm IF Astronomy Binoculars: Super-wide field of view The Field Flattener Lens System is employed for compensating curvature of field from the center to the very edge of the periphery High-quality multilayer coating providing uniformly high light transmittance across the entire visible range is applied to all lenses and prisms to realize a more natural clearer view ED (Extra-low Dispersion) Glass Abbe-Koening Prisms Long Eye Relief Straight Helicoid Diopter Adjustment Ring and Turn-and-Slide Eyecups Waterproof and fogproof construction Package Contents: Nikon WX 7x50mm IF Skywatching Binoculars Tripod Adapter TRA-4 Protective Case Nikon 16033: WX 7x50 IF Astronomy Binocular Black