F> I've heard that the Tamron is quite nice (although I'm quite happy
F> enough with my AT-X 80-200/2.8). The only thing that keeps me from
F> the Tamron Adaptall 2 lenses is the Ka version of the mount - while
F> I've found the K version to be quite rugged and foolproof (as in
F> "Fred-proof") to use, I've also found the Ka version to be less than
F> reliable. (YMMV)
Hi Fred, I had the same (unfortunate) experience. The K-A adaptall-2
isn't too good, I had frequently lost contacts when the lens was even
slightly twisted.
Good light!
fra
