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Previews from Canon 5DIII turning black

Terence Patrick
Hello, just wanted to throw my hat into the ring of those who are also experiencing previews turning black. When I shoot tethered from my 5DIII, previews show up just fine. But when I import images from CF card, the images download, the thumbnails are just gray boxes, the preview shows up for a second then turn black. I have regenerated previews twice. I have Open CL turned to "Never". I have restarted. I have created a new session and dragged & dropped just the RAW files into the Capture folder to see if rebuilding a session would help. Nothing.

The images can be seen perfectly fine in Finder. They can be seen in Bridge CS6/ACR. What can be done to fix this?

System setup: Macbook Pro Retina 2.7ghz, 16gb ram, 768gb SSD (640GB free space), OSX 10.8.2, Capture One 7.1.
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Comments

4 comments

Date Votes
  • Terence Patrick
    While trying to figure this thing out, one workaround I sort of stumbled upon is if I create a new variant, the preview shows up just fine. I then promoted the #2 variant and deleted the black preview. That seems to get the previews to show up.

    What a disaster Capture One 7 turned out to be. 😡
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  • Drew Altdo
    Couldn't it have just been a setting on the files? For example, moving the Levels to the extreme "0"?
    Reset image or apply new settings doesn't fix the image?
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  • Terence Patrick
    Drew, I wish it were that simple. I noticed that all the files imported from CF (using both C1's import dialog or Finder drag & drop) in my sessions would eventually turn black, even if I could see the image a few seconds before the preview was built. Any tool parameters (exposure, contrast, etc...) would go from a default of "0" to blanked out "--". The camera profile would go from Canon 5DIII generic to "none". But if I created a variant, the preview would be built and I could then see the image! Strange behavior for sure. I have just downloaded 7.1.1 and hopefully these issues have been worked out.
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  • Drew Altdo
    [quote="Terence2" wrote:
    The camera profile would go from Canon 5DIII generic to "none".


    Well that is odd. Can you create a support case so we can have a look at what might be causing this?
    Also, can you update to 7.1.1?
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