B&H has a couple of Tokina’s full frame lenses with instant rebates this week.
The Tokina AT-X 16-28mm f/2.8 Pro FX lens is $499 (reg. $629) and is available for Canon and Nikon mounts. Likewise, the Tokina AT-X 24-70mm f/2.8 Pro FX lens is $899 (reg. $999) – also for Canon and Nikon. Check them both out here at B&H Photo.