RobertsDigital via eBay offers the Tokina AT-X 11-20mm DX f/2.8 Pro Camera Lens
for Canon or Nikon for $429
with free shipping
. That's the lowest total price we could find by 108. This ultra-wide zoom lens features an equivalent 16.5-30mm zoom range, three aspherical lens elements, and a one-touch focus clutch mechanism.