Adorama via eBay offers the Sigma 70-200mm f/2.8 EX DG OS HSM Autofocus Lens for Sigma (pictured), model no. 589110, Nikon, model no. 589306, or Pentax, model no. 589109, bundled with the Tiffen 77mm Photo Essentials Filter Kit, Lens Cap Leash, and Lens Cleaning Kit for $999 with free shipping. That's at least $81 under the lowest total price we could find for these items separately elsewhere. This lens features a minimum aperture of f/22 and nine diaphragm blades.