Re: Custom profiles with RAW
Re: Custom profiles with RAW
- Subject: Re: Custom profiles with RAW
- From: Richard Wagner <email@hidden>
- Date: Tue, 1 Nov 2005 09:34:53 -0700
Why does it seem silly to render into the CORRECT color-space?
Huh? I don't disagree with this statement.
> The calibration script for ACR by Thomas Fors helps eliminate
> inter-camera variability and improves the accuracy of ACR.
No it doesn't.
Really? Have you used it? Tested it? I've spent days with it, and I
disagree with your conclusion. I've gone so far as to replace the
internal reference numbers for the ColorChecker with values that I
measured myself with an i1. Fors' script works well and does what its
supposed to do.
Now, I ask you, if Adobe allowed you to choose a camera profile of
your
own making that represented the abilities of your camera would you use
it? Do you suppose it would simplify or complicate the process? And
what sort of impact do you suppose it would have on the quality of
your
work?
If, if, if.... The novel system that Knolls devised works. IF I
could make TWO custom profiles under the conditions that he used to
replace the two built-in profiles (that are specific for each camera
model), then yes, that would be better than using Fors calibration
script. However, the calibration script is pretty analogous to
running a linearization on a RIP - it gets the camera back to a known
state. Would a custom profile "simplify" the process? Not if it
forced me to use RAW software that otherwise crippled my workflow.
I never said it was easy to be a photographer. I did, however, say
that
it ain't exactly rocket-science to adequately profile a camera.
And camera profiles often don't prove to be that useful in "real-
world" situations, where the light is constantly changing and where
you can't include a gray card or ColorChecker card in the scene. The
mechanics of building a camera profile are trivial. Making it work
consistently is not. Integrating it into a professional workflow can
also be difficult, depending on the RAW software used. What are your
recommendations for profiling, say, a Nikon D2X with RAW processing
using Nikon Capture? ACR? Profile the converted output and then
don't touch the RAW controls? Talk about a throwback to scanning
software...! And what target? Profiling a camera and profiling a
scanner are worlds apart.
Come to
the GATF Color Management Conference in Phoenix in December and you
can
see it happen live. If you refrain from throwing rotten fruit, I'll
even buy you a beer. }:-{>
Been there, done that, last year. I'll be in Ecuador for three weeks
overlapping the GATF conference this year, shooting tons of RAW
files. Maybe next year.
Best,
--Rich Wagner
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