Sigma 70-200mm f/2.8 APO EX DG HSM OS FLD Large Aperture Telephoto Zoom Lens for Canon Digital DSLR Camera 11PC Accessory Kit. Includes Manufacturer Accessories + 3PC Filter Kit (UV-CPL-FLD) + More Up to 4 Stops of Optical Stabilization; Fast & Quiet Hyper-Sonic Motor (HSM) Auto and Manual Focus; 55.1" (140cm) Close Focusing Distance Super Multi-Layer Lens Coating; Excellent for Action/Low-Light Shooting Fast f/2.8 Maximum Aperture; 77mm Filter Size For Canon DSLRs (Optimized for Canon Full-Frame DSLRs)