Sigma 17-35mm f/2.8-4 Aspherical EX Lens

A super wide-angle zoom lens with a 104 degrees angle of view, and large aperture. This lens is ideal for Digital SLR Cameras. SLD (Special Low Dispersion) Glass is used for effective compensation of color aberration.

Two pieces of molded glass aspherical lens elements offer ...A super wide-angle zoom lens with a 104 degrees angle of view, and large aperture. This lens is ideal for Digital SLR Cameras. SLD (Special Low Dispersion) Glass is used for effective compensation of color aberration.

Two pieces of molded glass aspherical lens elements offer excellent correction for distortion as well as all types of aberration. It is an ideal lens for Digital SLR Cameras as well as film SLR cameras. HSM (Hyper Sonic Motor) provides quiet, high-speed auto focus shooting, as well as full-time manual focus.

It is easy to revert to Manual Focus by simply turning the focusing ring and overriding the AF. An inner focus system provides high performance and convenience. The non-rotating lens barrel perfectly suits the matched petal shaped lens hood.