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Sigma 8-16mm f/4.5-5.6 DC HSM FLD AF Ultra Wide Zoom Lens for APS-C sized Sony Digital DSLR

Produces images with exaggerated perspective with its wide angle view from 1212?
DC series lens designed exclusively for use with smaller chip APS-c sensor cameras
HSM Hyper-Sonic Motor ensures a quiet high-speed auto focus
FLD glass elements with performance equal to fluorite glass to compensate for color aberration
One Aspherical lens and two glass mold elements