Great for outdoor activities Phase-coated, fully-multicoated optics maximize light transmission for optimum brightness. BaK-4 prisms produce excellent image clarity and contrast. Straight eyepiece design for direct, head-on viewing. Extendable, glare-reducing sun-shade for more comfortable viewing. Made with ED glass for vibrant, accurate colors. Waterproof and fog-proof for handling tough conditions. Includes hard case for mounting and transportation. 15 - 45x magnification and 65-mm diameter lenses to zoom in for clear images of your subject.