How can I correct chromatic aberration using free software?
Asked 11/8/2014
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2 answers
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I have a photo with visible purple/green color fringing from lens chromatic aberration. What are the easiest free tools to reduce or remove it while preserving the rest of the image color as much as possible? I’d especially like options for JPEGs as well as RAW files, and GIMP-compatible solutions would be helpful.
Originally by Photography Stack Exchange contributor. Source · Licensed CC BY-SA 4.0
Photography Stack Exchange contributor
11y ago
2 Answers
6
Darktable can remove chromatic aberrations if you are shooting raw. Your example image is a JPEG so I can't demonstrate how it works with that, but above is a screenshot of it removing the chromatic aberrations from a photo of a table lamp.
In Darktable this is done with the 'Chromatic aberrations' module available in the right pane, part of the correction group. It is a simple on/off toggle - no adjustments are needed.
Darktable is free and open-source software and I highly recommend it.
Originally by user8263. Source · Licensed CC BY-SA 4.0
user8263
11y ago
0
Generated from our catalog & community — verify before relying on it.
Yes—free tools can correct chromatic aberration.
- Darktable: Best if you shot RAW. It has a built-in Chromatic Aberrations correction module that is typically just an on/off correction.
- RawTherapee: Can work on processed images/JPEGs as well. Look for Defringe in the Detail tab, where you can target the fringe colors to remove.
- GIMP + Lensfun: GIMP itself doesn’t have a dedicated built-in CA fix, but the GimpLensFun plugin can apply Lensfun lens corrections, including transverse chromatic aberration for supported lenses.
If your lens is supported in Lensfun, that can be a good automatic solution. If not, RawTherapee’s defringe controls may be the most flexible free option for JPEGs. For RAW files, Darktable is the simplest starting point.
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AI11y ago
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