From Tokina…
Tokina AT-X 16-28mm F/2.8 PRO FX Full Frame AF Lens Intro from Kenko Tokina USA on Vimeo.
A brief introduction to the award winning Tokina AT-X 16-28mm F/2.8 PRO FX super-wide angle lens for Full Frame Canon and Nikon DSLR cameras. This lens competes head-to-head with lenses that sell for almost 3x the price and wins.
Check out eBay for the latest prices on the Tokina AT-X 16-28mm F/2.8 PRO FX lens.