Sigma 10-20mm f/4-5.6 EX DC HSM Lens for Canon Digital SLR Cameras

Sigma 10-20mm f/4-5.6 EX DC HSM Lens for Canon Digital SLR Cameras

10-20mm ultra-wide angle lens designed exclusively for Canon digital SLR cameras3 special low dispersion (SLD) glass elements to compensate for color aberrationHyper-Sonic Motor (HSM) produces silent, high-speed autofocus; full-time manual focusMultilayer lens coating reduces flare and ghost; 9.4-inch close focusing distanceMeasures 3.3 inches in diameter and 3.2 inches long; weighs 16.4 ounces
Sigma - Sigma AF 10-20mm

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