Godfrey DiGiorgi wrote:
On Mon, Jul 26, 2010 at 5:34 PM, paul stenquist <pnstenqu...@comcast.net> wrote:
I get a RAW file using vuescan on my Epson 3200. Or, I assume, with any other
scanner.
Paul
A VueScan raw file is different from a DSLR raw file. It's essentially
a linear gamma RGB TIFF file without VueScan's image processing
applied, and is designed specifically to allow multiple different
adjustment settings to be tried with VueScan without having to run the
media back through the scanner.
You can also write in DNG format these days, though, and feed the file
into "standard" raw converters. I would assume there isn't much you
can't do with these files compared to the ones from a DSLR, apart from
playing with the Bayer pattern interpolation parameters, obviously...
- Toralf
DSLR raw files have quite a bit more flexibility in terms of what you
can do with them. The negative side of DSLR capture is that you're
dependent upon the quality of the optics, how well you focus them, and
of course limited by whatever resolution the DSLR is capable of.
However, with today's 10-14 Mpixel DSLRs and a suitable setup, you can
achieve approximately the same image resolution as a 4000 ppi scanner
with better dmax from 35mm film.
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