I have seen these adaptors on ebay. Sometimes going for as much as $150.00. I know the R lenses seem cheaper than the M's. Does the adaptor work and what are the benefits other than cost to using one?
RARE JAPAN Leica Leitz R lens to M adapter for M6 M7 M8 - eBay (item 140231248876 end time May-10-08 17:27:27 PDT)