A year or so ago there was speculation related to the Limited lenses
that went rather like this: The unusual focal lengths of the Limited
lenses were chosen to allow use of an image stabilization system fitted
between the lenses and the camera body; coincidentally the IS adapter
would effectively increase focal length slightly (and thus magically
convert the 77 to an 85, the 43 to a 50mm, etc.) The discussion included
references to several Pentax patents on IS technology. Unfortunately,
now that Ed Mathews has revealed that the Limited lenses were designed
for a rangefinder that never made it to production, that IS adapter's
not even mythical any more.
Nevertheless, IS (or VR) seems both well-proven and worth the expense in
some situations. Next time one of you has an MZ-S in your hands, I'd be
pleased if you could look longingly at it while you mutter to the rep,
"I'd bet you'd sell a ton of these if you had IS. . . " The rep's reply
would mean much more to me than knowing the exact uses of each button on
a camera that I probably won't buy--but might buy if it, unlike the
cameras I already have, had one little button that enabled an IS adapter
that sounds too good to be true.
Brian Walsh
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