Fro a previous online reference, I hve determined that mine is the 1987-1990 build.http://www.kenrockwell.com/canon/lenses/50mm-f18-ef.htmIt has a metal mount and the apperas to be the same. Mine is quiet(er) and takes decent photos. And the price wa...
Thanks for the help. My lens compares to the 1987-90 version, http://www.kenrockwell.com/canon/lenses/50mm-f18-ef.htm,\. I have been very happy with it and, apparently got a heck of a deal.Thanks again,Jack
