There is very, very little info on the web about Tamron Adaptall-2 lens mounts for Leica SLRs. Clearly Tamron made one for the "R" cameras, but it's not clear to me if they also made a separate adapter for the "SL" cameras or if the R adapters will readily work in an SL or SL-2 body. I've looked at the big Adaptall website and even in browsing through the lens literature where the lens mounts available are mentioned, I've seen only one reference to a mount for the R4. For those of you who understand the differences between Leica lenses for the Standard, SL, SL2 and R cameras (cams, etc.), perhaps you could share your expertise. Does anyone have any hands-on experience with Adaptall mounts for Leica?