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Sigma 17-50mm f/2.8 EX DC HSM FLD Large Aperture Standard Zoom Lens for Sony Digital DSLR Camera

Product Description :
For use with smaller chip APS-c digital cameras only
Offers Sigmas OS System Optical Stabilization allowing handheld photography even in low-light situation
HSM Hyper-Sonic Motor ensures a quiet high-speed auto focus
FLD glass elements with performance equal to fluorite glass for compensate for color aberration
Ultra compact with overall length of just 36