Sigma 24-70mm F2.8 EX DG HSM, Canon

Sigma 24-70mm f2.8 EX DG HSM Compact large aperture standard zoom lens equipped with HSM for digital SLR cameras This large aperture standard zoom lens covers focal lengths from 24mm. The optical design provides a compact construction and is ideal for general photography. ELD (Extraordinary Low Dispersion) glass, two SLD (Special Low Dispersion) glass elements and three aspherical lenses provide excellent correction of all types of aberrations. This lens incorporates HSM (Hyper Sonic Motor), ensuring a quiet and high speed AF as well as full time manual focus capability. It has a minimum focusing distance of 38cm15in and a maximum magnification ratio of 1:5.3. The rounded 9 blades diaphragm creates an attractive blur to the out of focus areas. Excellent optical performance Large aperture standard zoom lens with a compact construction F2.8 large aperture throughout the entire zoom range HSM (Hyper Sonic Motor) Inner focusing system Rounded diaphragm Reduced Flare and Ghosting Petal Type Hood