Ideal for Canon EOS (SLR) Digital Cameras, the EF 70-200 mm f/4L USM Telephoto Zoom Lens is specifically designed for photography enthusiasts and professionals. This light-weight lens combines functionality and compactness with an f/4 maximum aperture to deliver high-performance. A ring-type USM and an inner focus design provide fast and silent AF (autofocusing). In addition, the lens combines a Fluorite element with two UD-glass elements for enhanced contrast. With closest focusing distances of 3.9 ft, this zoom lens is ideal for use in applications where portability is an important consideration.
Why buy memory for your camera-