I'd like to use the Lens Correction module in Darktable. My photos are taken with Samsung S8, and Darktable does not have the information about the lens in this phone.
How can I add this information? Thanks!
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RawTherapee, darktable, and other programs use
lensfun for lens correction. If your lens appears to be absent from the database...
If your lens is not supported, you can read about how to calibrate it:
If you can't (or don't want to) figure out how to calibrate your lens (it's not easy, and this is the approach I've taken in the past), you can send calibration images to Torsten Bronger. He will send the calibration data to both you and the
... Make sure that what you want to correct is actually correctable with a lens profile. There seems to be some confusion about this amongst people submitting phone images in particular. The RAW files from my S6, for example, are already quite rectilinear.
Also, calibration images must be in RAW formats for RAW-capable cameras because many modern cameras (eg, Fuji) automatically correct lens imperfections when generating JPEGs.