Re: Media Testing for maclife.de
Re: Media Testing for maclife.de
- Subject: Re: Media Testing for maclife.de
- From: "edmund ronald" <email@hidden>
- Date: Mon, 8 Sep 2008 11:18:06 +0200
It would also be interesting to test these solutions on cameras from
different technologies.
High end cameras are well linearized by design, and calibrated to
match each other hence an ACR-like generic matrix model will work
well.
Cheaper cameras are not so nice, and inter-camera disparities can be
so bad that generic calibration is meaningless. I hit this issue in
the past with the Canon 5D, files photographers sent me seemed to
indicate that several different batches were made with very different
behaviors.
Of course this opens the door to an interesting debate.
-From a customer's perspective, a Raw converter should pick up
sensor calibration information from the Raw files.
-From Photoshop's perspective, cameras should match the generic
"profile" embedded in the Photoshop package or else it's justifiable
that the color is off.
Of course, in practice - a plague on all their houses! - SLR
manufacturers don't write color calibration into the file metadata,
and ACR refuses to take non-DNG metadata into account anyway.
Together, these behaviors guarantee bad out-of-the-box color. THE
CUSTOMER IS ALWAYS WRONG.
Edmund
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