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The Sigma 10-20mm f/3.5 EX DC HSM Autofocus Zoom is a super-wide angle lens with a relatively bright f/3.5 maximum aperture throughout its zoom range, helping to ensure high image quality. The lens gathers enough light to make it a great choice for indoor shooting as well as landscapes and creative portraiture. This version of the lens is exclusively made to fit Sony's Alpha lens mount, which is also shared by the discontinued Minolta Maxxum cameras. It is not intended for use with Sony's "full frame" digital SLR cameras, or for any film-based Minolta Maxxum cameras.
With a wide angle viewing range of 102.4-63.8°, this lens can empower a photographer to produce creative images with exaggerated perspective. Its Super Multi-Layer coating reduces flare and ghosting, and a HSM autofocus motor provides quiet operation, high speed, and perhaps most important the ability to manually override focus position at any time.
The 10-20 f/3.5 EX DC HSM incorporates an inner focusing system to eliminate front lens rotation, which also makes the lens able to use an included petal-type bayonet hood to eliminate extraneous light from striking the front of the optic. Two ELD (Extraordinary Low Dispersion) glass elements and a SLD (Special Low Dispersion) glass element provide excellent color fidelity, and 4 aspherical lens elements provide correction for common distortions.
This lens has a minimum focusing distance of 9.4" (24cm) throughout the entire zoom range, and a maximum magnification ratio of 1:6.6.
Note! Vignetting will occur if the lens is used with 35mm SLR cameras or digital cameras with image sensors larger than APS-C size
Broad 10-20mm zoom range is ideally suited to tight interiors or expansive landscapes with "APS-C" type digital SLRs
High Image Quality
Two ELD (Extraordinary Low Dispersion) glass elements, one SLD (Special Low Dispersion) glass element, and 4 aspherical lens elements help render undistorted scenes with true color
Fast and Silent AF
Sigma's best HSM autofocus allows for quick operation that's barely audible, along with fulltime manual override
EX Build Quality
Sigma "EX" lenses feature robust construction appropriate for demanding professional use, and are backed with a 4-year warranty against manufacturer defects for USA customers
Made in Japan
The 10-20 f/3.5 EX DC HSM is made in Sigma's Japanese factory
• Sigma 10-20mm f/3.5 EX DC HSM Autofocus Zoom Lens for Sony Alpha
• Lens Hood
• Front & Rear Lens Caps