Re: CororChecker SG CIE reference values (or lack of)
Re: CororChecker SG CIE reference values (or lack of)
- Subject: Re: CororChecker SG CIE reference values (or lack of)
- From: Matthew Ward <email@hidden>
- Date: Mon, 21 Dec 2009 21:47:48 +0000
On 20 Dec 2009, at 21:43, Thomas Kunz wrote:
Yes, for the 24 patch ColorChecker(s) as well
You could always do what I did, measure a DC chart and photograph an
SG, once they are both numbers in a spreadsheet it takes a while to
notice your calculations are gibberish.........
There are 16 bit Lab files of the three Colorchecker targets from
averaged spectral (Spectrolino) data at
http://www.libraw.org/node/64
should they be of use.
Best
Matthew Ward
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