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FORUMS Post Processing, Marketing & Presenting Photos RAW, Post Processing & Printing 
Thread started 03 Mar 2008 (Monday) 22:09
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Apple Colour Management Gurus - Help Please (Aperture 2.0 issue)

 
sheawyatt
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Mar 03, 2008 22:09 |  #1

My monitor (iMac 20", last Matte generation) is calibrated using the Huey, and it works great except for this one problem, in which Raw files are displayed with some sort of black clipping when viewed at 100% or screen size. However, the correct blacks can be seen in the Loupe, here are two examples:

IMAGE: http://i169.photobucket.com/albums/u219/snwyatt/ApertureProblem2.jpg

IMAGE: http://i169.photobucket.com/albums/u219/snwyatt/ApertureProblem1.jpg

I have been plagued by this in every version of Aperture since 1.5.x to the newest, 2.0.1. The problem has been narrowed down to the Huey profile, and how it is read by Aperture, because every other profile (default iMac, manually calibrated iMac, etc) has proper consistency between the all levels of zoom and the loupe.

It doesn't look too bad in these images, but it also leads to harsh gradients and extra noise, which are a hassle to deal with. The images show the proper blacks when exported as a Tiff or other jpeg. And it is not the Raw file format, it does the same thing with every Raw format I've thrown at it.


Any suggestions? The colours are spot on with the Huey and I love Aperture, but this issue has been driving me nuts.

EOS R5 | RF 15-35 f/2.8 | RF 24-70 f/2.8 | RF 70-200 f/4 | EF 400 f/4 DO II | EF 1.4x III |
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René ­ Damkot
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Mar 05, 2008 14:34 |  #2

No idea really: my macs won't run Aperture :p

It sounds as though it's a problem with Aperture though: Are you sure you're not seeing some kind of a 'preview' (full quality still being built) or Aperture displaying the image *almost* correct for a speed gain?


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sheawyatt
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Mar 05, 2008 21:59 as a reply to  @ René Damkot's post |  #3

Yeah, it's definitely an Aperture problem when dealing with profiles that have 2.2 gamma. I've tried other profiles for my monitor and they all work fine. It could be a preview problem because the problem goes away as soon as I adjust brightness or exposure, but that doesn't explain why it ONLY happens with my calibrated profile. It just makes it really hard to tell at a glance if I've got good detail in the blacks when I'm initially reviewing my images.

I've got the same thing posted over on the Apple support forums, but I haven't had any replies yet.

Maybe I'll try for direct support, and I guess I'll keep messing around with it.


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Apple Colour Management Gurus - Help Please (Aperture 2.0 issue)
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