This ultra-wide zoom lens has a wide angle of view from 102.4 - 63.8 degrees and it is exclusive to digital SLR cameras. SLD glass elements effectively compensate color aberration. Aspherical lenses provide maximum correction for distortion and various aberrations; high image quality is displayed throughout the entire zoom range. The HSM equipped models makes fast AF speeds and quiet shooting a reality, and it is also capable of full-time manual focus. It has a minimum focusing distance of 9.4" (24cm) at all focal lengths. It is also equipped with an integral petal-type hood to block out extraneous light.* Brand: Sigma
* Model: B0007U00X0
* Dimensions: 3.50" h x 3.50" w x 3.50" l, 1.04 pounds
* 10-20mm ultra-wide angle lens designed exclusively for Canon digital SLR cameras
* 3 special low dispersion (SLD) glass elements to compensate for color aberration
* Hyper-Sonic Motor (HSM) produces silent, high-speed autofocus; full-time manual focus
* Multilayer lens coating reduces flare and ghost; 9.4-inch close focusing distance
* Measures 3.3 inches in diameter and 3.2 inches long; weighs 16.4 ounces
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