Sigma 18-35mm F1.8 Art DC HSM Lens for Canon

Sigma 18-35mm f/1.8 DC HSM Art Lens for Canon EF covers wide-angle to normal focal lengths. It is an Art-series zoom with a design that makes it uniquely fast and versatile. Sigma 18-35mm f/1.8 DC HSM Art Lens for Canon EF is recognized for its exceptionally fast and versatile design. It is a zoom belonging to the Art-series lenses and covers wide-angle to normal focal lengths. The range of its aperture lies between f/1.8 to f/16. Its extraordinary bright aperture range makes it useful even in difficult lighting conditions. The optical design is incorporated with five SLD elements and four aspherical elements that accomplish the supreme quality of images by multiplying the sharpness and clarity and reducing aberrations. Above all, its Hyper Sonic Motor AF system ensures fast, quiet, and accurate autofocus performance. The Sigma 18-35mm f/1.8 DC HSM Art Lens is integrated with HSM (Hyper Sonic Motor), along with an internal focusing system, which produces quick and quiet autofocus. Besides this, it is with an optimized AF algorithm to produce smoother focusing performance. The lens unit also delivers smooth and pleasing bokeh quality by using a rounded nine-blade diaphragm. A Thermally Stable Composite (TSC) material is used in its construction for delivering greater precision and to use in wide temperature variations. A brass bayonet is added to it for providing improved mounting accuracy and rigidity. You can use the lens with an optional Sigma USB Dock as they are compatible and subject its characteristic features to fine-tuning and update its firmware. TOP 10 KEY FEATURES: Focal Length: 18 to 35mm (35mm Equivalent Focal Length: 28.8 to 56mm) Maximum Aperture: f/1.8 Minimum Aperture: f/16 Lens Mount: Canon EF Format Compatibility: APS-C The angle of View: 76.5° to 44.2° Diaphragm Blades: 9, Rounded Maximum Magnification: 0.23x Optical Design: 17 Elements in 12 Groups Focus Type: Autofocus Included in the box: Sigma 30mm f/1.4 DC DN Contemporary Lens for Canon EF-M Sigma 52mm Lens Cap Rear Lens Cap Sigma Lens Hood for 30 mm f/1.4 DC DN Contemporary Lens