Correction of Refraction

When using the zoom notice that my camera refracted the light.
That I can use to correct this?

In RawTherapee that would be Chromatic Aberration Auto-Correction and Defringe.

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In darktable there are two tools:

Try this GIMP script

When you want to do something with the gimp google gimp what ever you want to do. The above came up from gimp fixing chromatic aberration. There may be others and other ways of doing it.