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Raw file rendering problems with Canon EOS 5D in Aperture 3

Since upgrading to Aperture 3, I have had serious problems with the rendering of Canon EOS 5D (not Mark II/III) RAW files. With Aperture 2, both the preview and full-sized images looked basically the same as the original images as displayed on the camera's display, without any adjustments.


With Aperture 3, each preview images initially look fine after import, but when Aperture re-renders it from the RAW file (e.g. when displaying the full-size image), the colors are drastically intensified, and the hue is shifted generally towards green/blue. I've checked the RAW Fine Tuning, and it is set to the defaults. If I turn the default RAW Fine Tuning settings all the way down, the image is still not at all like the preview from the camera - it becomes much darker and stays too blue/green, with washed-out colors.


A friend with a Canon EOS 5D MkII also recently upgraded her Mac from Aperture 2 to 3, and hasn't experienced any problems. We've tried importing RAW files from my (non-MkII) camera to her Mac (with the default RAW Fine Tuning settings), and get the same results as with my own Mac (i.e. strange colors), so the problem seems to be related to the camera model.


I've also noticed that scanned greyscale tiff images (including images that were originally imported under Aperture 2) are changed when first displayed by Aperture 3 - they become darker and more contrasty, with lots of information lost in the shadow areas.


I've also tried removing Aperture preferences, Aperture itself, and re-installing from download, with no change in the problem. (Aperture is the current latest version, 3.3.2.)


Has anyone experienced similar problems?

Aperture 3, OS X Mountain Lion

Posted on Aug 14, 2012 3:34 PM

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51 replies

Oct 10, 2012 9:17 PM in response to Brian Dodds

I haven't seen any replies to this in several weeks, is there any new news?


My (sob) story:


I just did two long days of commercial photography and imported 2,500 images, and have been watching as each one looks great and then is converted into a dark green mess as the image loads up in the Aperture window. My heart is sinking and I don't even know where to start.


CAMERA: 5DMKIII shooting RAW

OS: 10.8.2

APERTURE: 3.4.1

COMPUTER: MBP Retina


I'm trying not to panic, but really, I could lose one of my biggest clients over this. It will take me extra DAYS to color correct these images. What a MESS.


If anyone can give me a clear path to at least getting the images to look like the previews I would be really grateful.


Thanks,
David

Oct 11, 2012 1:55 PM in response to Brian Dodds

Well, to be honest I don't really have the time to do the migration and learn the workflow right now.


I've spent a good part of the day researching solutions, all to no avail. My hour on the phone with Apple Pro Apps support was frustrating, in that the only real solutions seemed to be deleting and reinstalling Aperture (that didn't work) and then reinstalling the OS. And that's exactly what I need right now...reinstalling the entire OS while I'm on a deadline.


If anyone else is monitoring these threads and has a suggestion (besides the above ideas) I would greatly appreciate it. I really can't understand why the program worked fine for years and now has a very obvious bug that Apple can't seem to fix, or, more accurately, doesn't really acknowledge.


For the record, my current fix is to spend a LOT more time color correcting out the green and getting the exposure right. Maybe I should just shoot JPEG from now on...


😉


Thanks for listening, and thanks in advance to anyone who has ANY idea on how to solve this truly frustrating issue.


--D.

Oct 11, 2012 2:42 PM in response to frmrt

Is there a way you can switch the camera back to default image settings? The JPEG generated in-camera, which Aperture uses as a preview before it reads the RAW data, will look different from the RAW file depending on what settings you've set in the camera.


Go back to the default settings, and try to see if the problem continues.

Oct 11, 2012 6:49 PM in response to Brian Dodds

Thanks, Brian. Did all three but nothing changed.


"Aye", I do understand that the RAW file carries the JPEG as the preview, but I'm trying to figure out why the JPEG would look brighter and far less green than the RAW file. Just doesn't make sense. The images were shot under a great variety of conditions: day, night, interior, exterior, with all different types of sources. And I've used this camera many times before with Aperture and used all sorts of different settings. I never got dark and green images after the JPEG was replaced with the RAW.


I will, however, go through the camera settings with great care on the next shoot...maybe, just maybe somehow turned on the Highlight Tone Priority and I didn't notice it. But I can't imagine that introduces a green cast...does it?


Many thanks for trying.


--D.

Oct 12, 2012 8:52 PM in response to imagin8r

That is normal, when shooting with RAW files. The saved JPEG preview applies your camera settings, but Aperture is starting with its default settings.


You can create your own "punchier" preset and apply it when you import files. There are about 415 threads on this here in the forum so I'll let searching for them be an exercise for the reader.

Oct 12, 2012 9:27 PM in response to William Lloyd

William, hi.


Thanks for the response. I understand you are trying to help, and for that I am thankful.


However:


I am professional photographer who has been shooting RAW files and managing and color correcting them with Aperture for close to five years now with the Canon 20D, 30D, 7D, 5DMKII, 5DMKIII as well as Nikon and Sigma HDSLRs. I can tell you this with great certainty: no RAW decoder that is functioning properly is going to add a green tint to an image file. It's never happened before, and it ONLY started happening when I upgraded to Mountain Lion and Aperture 3.4.1


I've probably graded close to 50,000 images by now with this workflow and this is not the usual "embedded JPEG preview" being replaced by the RAW image scenario.


Please pardon my frustration, as I am trying to solve an issue that is affecting my livelihood, and I cannot get any satisfaction from Apple Pro Apps support. It's particularly galling given that I just dropped $3,500 on a Retina MBP and Apple won't recognize that there's a problem.


I suppose I will just have to try and reinstall the OS or see if that works. If not, my only alternative is to switch to Lightroom. Not happily--kicking and screaming, really--but I might just have to do it.


Regards,
David

Oct 13, 2012 3:00 AM in response to frmrt

Please report whether the same issue arises if you take a RAW file from this camera and open it with Preview. Preview uses the same Digital Camera RAW as Aperture, and this will separate that from any other action in Aperture.


I have the top model rMBP, and one of the latest cameras, although not Canon. (I have the Nikon D800.) This behavior is not seen with that setup.


Ernie

Raw file rendering problems with Canon EOS 5D in Aperture 3

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