Perfect for bird-watching, hiking, fishing and watching live sports, Nikon's PROSTAFF 3S binoculars will give you an incredible view. Not only is this pair loaded with top-quality optics, its waterproof and fog-free, so you can use them in any climate. Light, adjustable and crystal-clear, these binoculars are perfect for active adventuring or surveying. Top-Quality Optics With the prism armed with a silver-alloy mirror and lenses with multilayer-coating, the view is supremely bright. Get the whole picture with 62.9 degree apparent field of view, and keep things clean with the lead and arsenic-free glass. Waterproof & Shock-Resistant With its strong rubber armour, these binoculars are shock-resistant, firm to hold and waterproof (up to 1m for 10 minutes). The body's made of fibreglass-reinforced polycarbonate resin to make it exceptionally light, while the fog-free lenses make them perfect for humid settings. Customisable, Comfortable Shape The turn-and-slide eyecups let you adjust their position on your eyes, so you can crack the perfect angle. Furthermore, the long-eye relief design is expertly-crafted to give clear view whether you're wearing eye-glasses or not.