Renowned for ultra fast, ultra quiet, precision autofocus. Each Canon EF lens has its own microprocessor controlled focusing motor for optimum performance. Many utilize Canon's exclusive Ultrasonic Motor technology.
The EF 70-200mm f/2.8L USM is already a legend in the field of high-performance telephoto zoom lenses. With its 4 UD glass elements and its fast f/2.8 maximum aperture, this unique lens is the optimum choice for many applications including sports photography and spot news coverage. In addition to its unparalleled image quality, this lens is also notable for its high-speed autofocus performance as well as its compatibility with EF 1.4x and 2x Extenders.