5/5/2023 0 Comments Rw2 format![]() The photo software knows what corrections to apply to images taken by a certain camera with a certain lens at a certain focal length. One way to automatically correct those distortions is collecting correction data in a database like PTLens and Lensfun. ![]() However, I know from developing my RAW files with ufraw and digikam that the kit lense has a significant barrel distortion at short focal lengths. A number of commercial photo software programs are known to manipulate the RAW image data to remove geometry distortion, chromatic aberration and vignetting silently, which lead to enthusiastic reviews posted on certain digital photography sites about the quality of the Lumix G1 kit lens. I mentioned in an earlier post that I was intending to go to the bottom of certain rumors about Panasonic including lens defect correction data in the EXIF information of RW2 files.
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