From the Manufacturer: Celestron’s Nature DX 12x56mm binoculars are the perfect companion for your next outdoor adventure. A great first step into the world of serious sport optics, the views through Nature DX rival those of more expensive binoculars, at a price to fit your budget. With phase-coated BaK-4 prisms and fully multi-coated optics, Nature DX reveals image detail you won’t find with other entry-level binoculars. And when you’re off the trail, enjoy superb views of concerts, sporting events, and more. Sophisticated optics Nature DX’s high quality BaK-4 prisms are phase coated to increase contrast and resolution. Phase coated prisms, combined with fully multi-coated lenses, provide maximum light transmission through the entire optical path, for brighter images, even in low light conditions. With 12x magnification and 56mm objective lenses, Nature DX 12x56mm strikes the perfect balance between performance and ease of use. Acquire and follow your subject quickly in the wide f