I have questions... but first here are examples of listings for these
lenses (as taken from B&H website).

Telephoto SMCP-A* 300mm f/2.8 ED IF Manual Focus Lens
Price: $5,152.50

Telephoto SMCP-FA* 300mm f/2.8 ED IF Autofocus Lens
Price: $4,299.95


My question is, why is there a price difference between these two lenses?
More specifically, why is the FA* version less expensive than the A*?
Personally, I would have expected the reverse.

I've also taken note that the A* version of this lens has always been the
rave on PDML and also on Stan Halpin's site.  Should this also be
interpreted as a 'black eye' against the FA version, or just a shared
preference for manual focus big glass amongst PDMLers?

Since AF is typically not free, I'm guessing that there must be some
_significant_ optical quality differences (about $1000 worth) between the
two lenses [which would actually surprise me quite a bit].  Can anyone
confirm or deny this presumption?

For those with experience with these lenses (preferably first hand, but
second or third hands will do, too).. please enlighten me! Thanks in
advance,
    jerome

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