Re: A discussion on accurate color ...
Re: A discussion on accurate color ...
- Subject: Re: A discussion on accurate color ...
- From: José Ángel Bueno García <email@hidden>
- Date: Mon, 23 May 2011 21:51:28 +0000
Hi Barry, Hi Tom:
The procedure at institution is avoid .tif or .jpg and shot raw from
DSLR camera. Of course the raw is .dng.
"I always ask the question: "What is the intended use of the data
after acquisition?" can be the site of the institution, inkjet print
or offset, so the DNG raw serves with the software tools that most of
us have access: DNG Converter, DNG Profile Editor, PS CS,...
Are you saying that GaMapICC isn't usefull? Or RoughProfiler. You can
make conversions having the source of light for visualization in
account.
For what I know, lights at exposure spaces are "something near" D50
(halogen tungsten), or the manufacturers try to get it. And what about
the fast chromatic adaptation of human eyes?
I reproduce art and photographic artifacs with flash, not with an
almost monochromatic light as anyone can see in a SPD graph, and
because is the less spiky light source (flash) that I know.
In the other hand, is not L*a*b* the ACR working space?. L* for the
exposure and brightness, a* for the color temperature and b* for the
hue/shade (I think my translator don't works fine here).
For me the less usefull illuminant is D65 that is high latitudes
daylight most of the time, far away from 4950ºK in subtropical
environments.
Salud
Jose Bueno
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