nice, your lens is so close to being relevant in this thread. if only it had the A.
Meh. See the first line in my sig.
Fwiw, the relevance to this thread - along with my earlier comment about 50Ls showing up in the used market - is that due to that little A on Sigma's new 50, the original (or Sigmalux as it was called) can be had rather cheaply.