Bushnell Realtree Roof Trophy Binoculars, 10x28 Hunting binoculars with 10x magnification and 28mm objective lens Fully multicoated optics deliver ultra-bright, razor-sharp images Dura-Grip rubber-armored housing with soft-touch thumb grips O-ring-sealed and nitrogen-purged for waterproof/fogproof durability Fast focus system; flip covers for objective lenses; weighs 12 ounces