Sigma 18-35mm f/1.8
Sigma 18-35mm f/1.8 DC HSM is an Art-series zoom, covering wide-angle to normal focal lengths. Separating itself from the pack, this zoom features an exceedingly bright f/1.8 constant maximum aperture. Also, which suits its use in difficult lighting conditions and offers an impressive depth of field control throughout the zoom range. The optical design incorporates a series of SLD and aspherical elements. Also, which help to achieve high clarity and sharpness by suppressing various aberrations, colour fringing, and distortion. A Super Multi-Layer Coating has also been applied, too, which controls lens flare and ghosting for improved contrast and colour accuracy. Balancing the optical merits, this 18-35mm also sports an advanced Hyper Sonic Motor, along with an internal focusing design, to promote fast, quiet, and precise autofocus performance.
Sigma 18-35mm f/1.8 DC HSM Distinguished by a uniquely fast and versatile design, the Canon EF-mount.
The HSM also permits full-time manual focus control simply by rotating the focus ring at any time.
Rounded nine-blade diaphragm contributes to a smooth and pleasing bokeh quality.
Further, constructed using a Thermally Stable Composite (TSC) material for greater precision and use in wide temperature variations. Additionally, a brass bayonet affords improved mounting accuracy and rigidity.
This lens is compatible with the optional Sigma USB Dock for fine-tuning different lens characteristics and updating its firmware.
Truly a revolutionary product, the Sigma 18-35mm 1.8 DC HSM is the first wide-angle to standard zoom lens to achieve a large aperture of 1.8. Designed specifically for APS-C sized sensors, the Sigma 18-35mm 1.8 translates to 27mm-52.5mm on 35mm camera.
EF-Mount Lens/APS-C Format
28.8-56mm (35mm Equivalent)
Aperture Range: f/1.8 to f/16
Five SLD Elements
Four Aspherical Elements
Super Multi-Layer Coating
Hyper Sonic Motor AF System
Rounded 9-Blade Diaphragm