I've found SDM to be considerably faster, particularly in continuous
autofocus mode.
Paul
On Mar 29, 2009, at 10:40 AM, William Robb wrote:
Too bad about the shaft drive, since the Pentax version of SDM isn't
as good as their version of shaft drive from what I've seen so far.
Quieter, yes, faster, no.
They have indicated that they will only be selling the 645 in Japan,
perhaps RoHS and EWRA will keep European and North American users
from owning the things, which seems silly, since lenses generally
don't end up on landfills or get licked by babies and small children.
William Robb
----- Original Message ----- From: "Margus Männik"
Subject: Re: 10,000 US$ -> 645D?
Wait a second. Who said 645D will use the same (shaft) AF drive as
645N?
10k$ medium format digital camera without a proper AF system would
be a
proper nonsense. Shaft IS a history. It's Anno Domini 2009.
But OK, let's assume, the AF systems do match and everyone's happy
with
historical shaft. Unfortunately there is still no easy way to
reanimate
FA645 lenses production as those do not fit with European RoHS and US
EWRA directives (cadmium coated screws could be easily replaced, but
there's too much lead (Pb) both in lenses and electronics). Pentax
could
officially sell 'em only in Japan. Recalculating optical formulas to
match newer glass and replacing electronics components equals pretty
much to new design i.e. takes both significant amount of time and
money.
Hoya-Pentax doesn't seem to have neither. OTOH, if they will redirect
all their workforce and finances to 645D system, we'll see successor
of
K20D and new lenses no sooner than 2015...
(I still like the idea of 645D as technology demonstrator, but not as
market product. Hopefully I'm wrong.)
BR, Margus
Paul Stenquist wrote:
Numerous great 645 lenses are already available. A new fast normal
has already been announced. All that will be needed to round out
the lineup is another wide angle or two. What's more, Pentax 6x7
lenses can be used with an adapter. No shortage of good glass for a
645D.
Paul
On Mar 28, 2009, at 10:16 PM, Margus Männik wrote:
Adam Maas wrote:
2009/3/28 Margus Männik <[email protected]>:
Mark Roberts wrote:
A digital medium format camera at that price would be a game-
changer of
"tectonic" proportions -- there's no way they'd limit it to
Japan only.
There is no idea to sell about 100 cameras all over the North
America
either. Professionals will never buy a camera platform that has
no line of
interchangeable lenses. Amateurs will never buy 10000$ toy.
Rich fans are
too few in number. Life sucks...
But the 645D will have a full line of interchangeable lenses.
When? If we consider design and manufacturing cycle as it have
been last years, 645D body will be outdated long before the magic
rain arrives...
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