Optical corrections for Canon RF 24-240

[Pathal (Patrick)]

I think it should not be enabled as this is the correct behavior for this “corrections optiques seules” preset.

The issue of this lens is detailed in this other post

Canon RF 24-240

Yes, you have that right, MalcomC. The vignette is a well-known characteristic “feature” of this lens and it is supposed to be that way. Everyone who has reviewed it has pointed this out. As Dustin Abbot put it . . . " . . .what I saw was clearly a mechanical vignette – an obstruction that kept the corners of the frame from receiving light at all [as Perfrode correctly pointed out]. This was one of the compromises that Canon had to make to make this lens work. […] The lens actually frames w…

where it is explained that this black corner is not really due to vignetting but to mechanical restriction of this lens.