Nikon binoculars are tested by professionals who know optics here at OpticsPlanet. The optics are bright and the quality of these binoculars are exceptional. When you go with Nikon, you're dealing with a trusted leader in the optics industry. Professional and amateur photographers all over the globe trust Nikon lenses and cameras, and this same commitment to quality extends to binoculars by Nikon. This is why Nikon offers a 25-year Limited Warranty and a $10 "No-Fault" repair/replacement policy on most binoculars and Nikon spotting scopes. If we don't have Nikon binocular you want in stock, no worries: we'll get it for you!