Telephoto lens adds to the power of your camera’s zoom. High definition optical resolution and professional high speed auto-focus. High Quality Crystal Optics Infrared Compatible (IR). Night vision capable Digitally Multi-Coated (every element) Maximize day and night shots by providing maximum light and image transmission 2x telephoto lens brings you twice as close to the action. Perfect for long-distance photo situations such as sporting events; candid portrait shots, as well as nature and wildlife photography.