Canon EF-mount Sigma 18-35mm f/1.8 DC HSM
Art-series zoom, covering wide-angle to normal focal lengths.
Super bright f/1.8 constant maximum aperture, which suits its use in difficult lighting conditions and offers impressive depth of field control throughout the zoom range.
The optical design incorporates a series of SLD and aspherical elements, which help to achieve high clarity and sharpness by suppressing various aberrations, color fringing, and distortion.
A Super Multi-Layer Coating controls lens flare and ghosting for improved contrast and color accuracy.
Advanced Hyper Sonic Motor and internal focusing design, to promote fast, quiet, and precise autofocus performance.