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[OM] Re: Delayed Digital Capture - DDC

Subject: [OM] Re: Delayed Digital Capture - DDC
From: AG Schnozz <agschnozz@xxxxxxxxx>
Date: Mon, 5 Feb 2007 09:17:52 -0800 (PST)
> Hmmm . . . that newly improved scanner of yours must have been
> humming over the weekend!
> 
> Does it have a duty cycle?

If it does, I probably came pretty close to reaching it.  I did an
experiment on one shot where I did a 16X overscan.  Yeah, that was
kinda nuts.  Trust me, that wasn't necessary.  Fortunately, I did it
on a tiny cropped section, otherwise my computer would still be
processing that image.  There is a point of diminishing returns after
two scans.  Three or four seem to be the upper limit and even then
it's only usable if there is detail there.  The resolution of the
lenses and halation seem to top out at about 1/3000 of an inch. 
Overscanning or higher scanner resolution help define where the
details land, but don't deliver any more detail.  I worked up one
scan on Saturday that was immediately used for display on a
projection system on Sunday.  To say that it was beautiful is an
understatement.

My weekend wasn't JUST scanning, though.  I happened to get out a
couple of my newly recommissioned DDC cameras and shot them.  Ah,
what a pleasure that was.  Yet, when all was said and done I still
shot about 50 regular DC shots as compared to about a dozen DDC
shots.

In my testing and calibration this weekend I'm finding that
DDC-Portra160VC is giving me an effective 8-10MP equivelent.  This is
after grain-reduction (mostly chroma-noise) and resizing to the point
where there is a maximum amount of detail.  Yeah, I know, there are
regular DC cameras better than this, but still this isn't shabby for
a 20 year old OM-2S with a $5 roll of film.  Oh, this is the OLD
Portra, not the new stuff.  I haven't even shot that yet.

Hmm.  Further standardizations of the term:

DDC-[film type]

DDC-Velvia
DDC-Provia
DDC-K64
DDC-Portra160NC
etc.,


AG


 
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