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Bad columns in left optical black area Canon EOS 2000D #717

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PeterWem opened this issue May 13, 2024 · 0 comments
Open

Bad columns in left optical black area Canon EOS 2000D #717

PeterWem opened this issue May 13, 2024 · 0 comments

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@PeterWem
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PeterWem commented May 13, 2024 •
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A darktable user had an issue with greenish raw files due to wrong black level. The culprit was 4 bad columns in the left optical black area.
black
Changing from 0 to 5 will solve the issue.
Skärmbild från 2024-05-13 22-42-35

I also downloaded a Canon EOS 2000D raw file from raw.pixls.us. All the columns there are fine so this may only be an issue with a few batches.
PeterWem added a commit to PeterWem/rawspeed that referenced this issue May 13, 2024
@PeterWem
Updated EOS 2000D BlackAreas cameras.xml
e1c0263 
This change solves darktable-org#717 and is cropping out the first 4 columns from left optical black area.
@PeterWem PeterWem mentioned this issue May 13, 2024
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@LebedevRI LebedevRI mentioned this issue May 18, 2024
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LebedevRI added a commit to darktable-org/darktable that referenced this issue May 18, 2024
@LebedevRI
Revert "dt_imageio_open_rawspeed(): always calculate black areas"
895f595 
Fixes #16815.
Refs. darktable-org/rawspeed#717.

This reverts commit 048ccc8.
@kmilos kmilos mentioned this issue May 21, 2024
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