Buydig via eBay is selling the Rokinon/ 14mm f/2.8 for $275.
http://www.ebay.com/itm/Rokinon-FE14M-C-14mm-F2-8-Ultra-Wide-Lens-Your-choice-in-Mount-Type-/331116659660
http://www.ebay.com/itm/Rokinon-FE14M-C-14mm-F2-8-Ultra-Wide-Lens-Your-choice-in-Mount-Type-/331116659660