Adorama offers Sigma 17-50mm F/2.8 EX DC OS HSM Auto Focus Wide Angle Zoom Lens in $369.00 with FREE shipping.
Product Details:
For use with smaller chip APS-c or 4/3 digital cameras only, Offers Sigma’s 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 3.6″.