Canon EF 70-200mm f/2.8L USM
A popular professional lens in the entire Canon line-up. Superbly sharp and versatile, its constant f/2.8 maximum aperture makes it a favorite of photojournalists and low-light shooters. Four UD-glass elements contribute to its excellent performance. Full compatibility with the Extenders EF 1.4x III and EF 2x III extends its usefulness.