Sigma 70-200mm f/2.8 EX DG APO HSM Large Aperture Macro Zoom Lens for Canon Digital SLR Cameras Minimum focusing distance of 39.4 in.(100cm), maximum magnification of 1:3.5. The super multi layer lens coating and lens design reduce flare and ghost. ELD and SLD lenses for correction of aberrations. HSM ensures a quiet and high-speed AF. Sigma USA 4 Year Service Protection, Camera Lens, Camera Bag and Strap.