The Nikon PROSTAFF ATB Binoculars deliver the image you need in a compact package that takes up little room in your pack. Take these light and compact binoculars on your next outdoor adventure. FeaturesBright, Multicoated Optics for anti-reflection and excellent brightness and resolutionSmooth Central Focus Knob for fast range of focusDurable and Protective Rubber-Armored Coating for a non-slip surface; wet or dryBaK4 High Index Prism System for extra-high resolution imagesLong Eye Relief (15mm or more) making them perfect for eye glass wearersFully Waterproof and Fogproof: Nitrogen-Filled and O-Ring SealedLIFETIME REPAIR/REPLACEMENT – Excludes lost or stolen products and intentionally caused damage Nikon 8x25 PROSTAFF ATB Binocular 7483