Re: Digital Camera Profiling
Re: Digital Camera Profiling
- Subject: Re: Digital Camera Profiling
- From: bruce fraser <email@hidden>
- Date: Thu, 17 Apr 2003 16:04:22 -0700
At 5:09 PM -0400 4/17/03, Derrick L. Brown wrote:
I couldn9t agree more with the described results. Regarding ACR, carefully
built profiles allow you better color, tonality and faster workflows, No
exceptions.
And as for the idea of the "tweak-it-to-fit" color negative approach it
sounds way too much like Knoll Gamma monitor correction versus the use of
instrument based monitor calibration. As for that, there aren't enough
hours left in the day for the work you will have created for yourself.
Look, something important is being lost in the noise level here. You
HAVE to tweak digital captures. Digital captures are fundamentally
different from film in a vital way.
When you render a scene to film, you render it to a medium that has a
fixed gamut and dynamic range. That's simply not true for digital
captures -- a digital camera doesn't have a gamut, but a color-mixing
function. (The same is true of scanners, but that's rendered moot
when we scan film, because film DOES have a gamut.)
When you start dealing with captures that have 7-12 stops of dynamic
range, it's just silly to claim that one TRC will work for all
images. There are compromises inherent in even displaying such
images, let alone reproducing them, and different images require
different compromises.
Note: this is not an argument about whether or not custom digital
camera profiles are useful or not. I have mixed experiences on that
(like almost everyone else). But the point you just raised is a red
herring, and the comparison to Knoll Gamma is seriously misleading,
whereas Andrew's original comparison to color neg is right on the
money.
I'm pretty sure you can come up with better reasons why a custom
profile may be a good solution -- the above really doesn't fly.
Bruce
--
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