Buy & Sell Listing - EbaySelling Sigma 50mm f/2.8 manual focus 1:1 Macro Lens in C/Y mount Location USA Ships to USA Link to Ebay listing http://www.ebay.com/itm/261747945847 Reducing my gears, especially when I have the same lens in another mount. See this review site l for what the lens can do. I've also posted sample image. On full-frame camera, this lens is both a normal prime, and fast 1:1 macro, which is handy and nice. Thanks for looking. References - Acknowledgment I have read and agree to the Buy and Sell rules.