Nikon Premier is a line of top of the line binoculars. These are for those serious about their hunting and birding. The glass is outstanding. The reliability is up to Nikon's incredible standards. If you've ever used a Nikon camera or one of their other sport optics, no doubt you've been impressed. Prepare to be even more impressed. We don't say that lightly. The Premier line is just that: premier. If you have any questions about these great binos or any of the other sport optics in our store, contact us. We'll be happy to help you out.