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CR2 correction
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Topic: CR2 correction (Read 6888 times)
Anthony
Full Member
Posts: 101
CR2 correction
«
on:
September 30, 2019, 11:40:51 AM »
Occasionally, an incorrect setting on our classroom camera (Canon G7 X Mark II) is chosen, and raw photos are taken. These appear in QU as slightly curved, as though taken through a fish-eye lens, and the corners have dark shaded curves in them. If I open one of these CR2 photos using the Windows 10 photo app, it displays as I would expect it to for about a second, and then the whole fish-eye / dark shading view is imposed on the image. Can Qimage correct this, please? Note: I am not a professional photographer (but QU is brilliant for our purposes) so apologies if that makes the advice more difficult.
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admin
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Forum Superhero
Posts: 4218
Re: CR2 correction
«
Reply #1 on:
September 30, 2019, 02:32:17 PM »
Lens distortion correction is something that is done on a camera by camera basis and I generally have to have the camera on hand in order to program the corrections. I've been able to do it by request but it requires that you take pictures of a grid (I usually suggest tiles in a shower) at varying zooms from wide angle to full telephoto. But I suspect that's more effort than you want to partake in this case.
Regards,
Mike
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Anthony
Full Member
Posts: 101
Re: CR2 correction
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Reply #2 on:
September 30, 2019, 02:36:48 PM »
I'll save you the grief, Mike
The teachers will be *fired* if they do this again. I appreciate the reply.
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Anthony
Full Member
Posts: 101
Re: CR2 correction
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Reply #3 on:
September 30, 2019, 03:29:47 PM »
Just as a follow-up in case it helps anyone else: opening the CR2 files in Photoshop Express allows them to be saved as jpegs without distortion.
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