Adorama offers the Tokina 11-16mm f/2.8 ATX Pro DX Zoom Lens for Nikon (pictured), model no. ATX1116PRODXN, Canon, model no. ATX1116PRODXC, or Sony Digital SLR Cameras, model no. ATX1116PRODXS, for $649. This $40 mail-in rebate cuts it to $609. With free shipping, that's the lowest total price we could find by at least $50. It comes with a flower design bayonet lens hood and features autofocus, a one-touch focus clutch, and more. Rebate expires March 31.