Abes of Maine has the Sigma 17-50mm F2.8 EX DC OS HSM Lens (Canon
) for $594 - $15 off with coupon code LOYALTY15
with free shipping. Free Nikura 77mm Multi-Coated UV Filter included with purchase. Features Sigma's Optical Stabilization System, Hyper-Sonic Motor, and is for smaller chip APS-c or 4/3 digital cameras only.