Sigma 24-70mm F/2.8 DG OS HSM ART Lens For CANON EF

Highlights ef-mount lens/full-frame format aperture range: f/2.8 to f/22 three sld elements four aspherical elements super multi-layer coating hyper sonic motor af system os image stabilization rounded 9-blade diaphragm features a versatile zoom for everyday shooting, the canon ef-mount 24-70mm f/2.8 dg os hsm lens from sigmacovers a useful wide-angle to portrait-length range of focal lengths to suit shooting in a variety of environments. As part of the esteemed art series of lenses, a sophisticated optical design is used that incorporates three sld elements and four aspherical elements to reduce chromatic and spherical aberrations, as well as color fringing, distortions, and other anomalies for greater clarity and sharpness. A super multi-layer coating has also been applied to suppress lens flare and ghosting for accurate color fidelity and high contrast, and a protective coating has been applied to the front element, too, to benefit working in harsh climates.