Missing Thumbnails in Capture One 23 Culling Function
I am new to Capture One, and I was anxious to try the Cull feature, and did so today with disappointing results. I had two problems one, possibly a user error, is that I could not mark the images I wanted to keep, that is when I touch the space bar or left click the image, I see no mark appear on the photo. The second is, I imported to Capture One (as reference files) 83 NEF files along with their matching JPGs (average size 3,000KB), both as from the camera (Nikon D750). When I looked at these on the “Culling Screen” twenty of them displayed the message “Thumbnail Unavailable”. I deleted the session and the sub directory and tried again only to get the same result.
The system is a Windows 10 64 bit with an older Intel(R) Core(TM) i7-2600 CPU and 20GBs of memory.
Can you offer any suggestions?
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same question here: thumbnails unavailable
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I am on Mac M3 I am getting the message thumbnail unavailable, however if I select the thumbnail it is imported correctly, what is the solution
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Ahmed - do you get this with all thumbnails, or only some, with all file types, or only some, etc? Where are you importing from?
Ian
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I get it with all png and occasionally with tiff, I am importing from the net
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I also get this if I am importing from affinity photo
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So have you tried importing from a memory card, or from another folder on your computer? Is it just a problem importing from the net? If you import a raw file, the preview shown in the import window uses whatever embedded preview is in the raw file, the size and quality of which can vary from one camera model and make to another. In the main Viewer window in Capture One, the previews are what Capture One itself generates, but in the import window it uses the embedded preview for speed. I wonder whether with importing directly from the net, access to any embedded preview isn't available. What happens if you do a 2-stage process - download the image from the net to your computer, and then import it to Capture One from there? Does it still say the thumbnail is unavailable?
And what do you mean about importing from Affinity Photo? You can't set that as an import source in the import window in Capture One.
Ian
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A bit of a further thought. I have some PNGs on my desktop from screenshots I created. If I use the Import tool to try to import them, I too see the Thumbnail Unavailable message. But if I do import them, Capture One can display them. I think I conclude that it must be because there is no embedded JPG preview in the PNG file.
Ian
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I just started a 30-day trial of the subscription version of C1 yesterday. Until I switched over last night I was using the standalone version Capture One 23. When I import images from my Downloads folder using my standalone version, it shows previews for png files just fine, along with all other image formats. With the subscription version, however, all png files are marked as "Thumbnail Unavailable".
Just to add to the puzzle, the current version of Lightroom can also see png thumbnails just fine.
It seems to me that this leaves two options (but of course there could be more): 1) For whatever reason png files no longer include an embedded thumbnail but the current Lightroom and old C1 generate them instantly and on the fly or, 2) the subscription version of C1 is "choosing" not to recognize them. Speaking from a position of ignorance about this specific problem but with a decades of in depth computer experience, it seems unlikely to me that the various software that generate png's would all suddenly decide to exclude previews. I therefore think it's more likely that C1 is, for whatever reason, filtering them out. 25 cents, please.
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PS I'm running C1 and Lightroom on a 2019 27" iMac with the current OS.
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Firstly it will have nothing to do with whether your Capture One is on a subscription or not, nor whether it is a trial version. They work in exactly the same way.
There have been a few others saying that they have this problem with PNGs, and I found it a problem too when I tried it out yesterday. I'm not sure whether it is just a new thing because I have rarely imported PNGs into Capture One and when I may have done in the past it could have been before the introduction of the new style Import window which uses embedded JPGs to display its previews.
It's definitely something to do with the way the Import window works. If I take a PNG (I experimented with a screen shot from my MacBook) and just drop it into the Capture folder of a session, it shows up perfectly well as a thumbnail in the browser, and as a preview in the Viewer. But if I try to import the exact same file using the Import tool, I get the Thumbnail unavailable message. The same thing happens if I try to import into Capture One a PNG created from an image in, say, Affinity Photo.
I'd encourage you to submit a bug report.
https://support.captureone.com/hc/en-us/community/posts/9858733965981-How-to-report-a-bug
Ian
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