B002330GCY Sigma 50-200mm f/4.0-5.6 DC IF SLD Optical Stabilized (OS) Lens with Hyper Sonic Motor (HSM) for Canon Digital SLR Cameras

Make sure this fitsby entering your model number.
Optical Stabilization – Sigma’s own OS System
Inner Focusing System – Eliminates front lens rotation; suitable for use w/circular polarizing filters
Compact, Telephoto Zoom Lens
High Image Quality – SLD glass elements with inner focusing
High Magnification – 1 – 4.5 magnification, exclusively designed for digital SLRs