John -
I shot PEF's on my *ist-D and K-10D as well. My workflow eventually was
to run them through Adobe DNG converter before editing and then discard
the PEF's and work form the DNG's only. The *ist-D only offered PEF RAW
files and and the K10D offers DNG's but they are uncompressed - I found
it was better to shoot smaller PEF's, save space on the memory card, and
then convert. The DNG's from ADOBE DNG converter could be much smaller
than either the PEF's or the K10D DNG's. I don't know for the K20D since
I have never used one.
If you want DNG raw files and also to optimize drive space you might
want to use the DNG converter for the K-10D files. Some time ago I had a
mini project of converting all PEF's to DNG's and freed up what at the
time was a lot of disk space.
Like I said, don't know about the K20. You can test file sizes easily,
of course.
Mark
On 3/26/2014 7:12 PM, John wrote:
It was originally my question.
In 2004 I shot a combination of JPEG, medium size TIFF and a very few PEF
(RAW) files with the *ist-D. From 2005 - 2012 I shot PEF or PEF+JPEG
with the *ist-D, K10D and K20D.
At the beginning of 2013 I switched my RAW format to DNG for the K10D &
K20D.
I had the idea that it might simplify my life if I used Adobe's
stand-alone DNG converter to convert all the old PEF files to DNG.
I was curious whether after the DNG conversion I should keep *BOTH* the
PEF files *and* the DNG files, or keep just the DNG files.
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