Hi Paul,
sorry, I never tried it but I might give it a shot soon (pun intended).
Hmm, are you sure it’s the T20? I didn’t find anything in the manual and a quick search only said something like that about the T2…
Because to be honest, Steven, I have made the opposite experience. I am now going back to in-camera JPGs where the object doesn’t merrit the last 2% of gain, which is mainly in the texture in my opinion. Of course, this all depends on the camera etc.
Unfortunately, I cannot switch off rectification in my X-T20 but the correction seems to be very good (RC shows almost no difference in the grid) and as I said, in therms of geometry (mesh) I couldn’t see much difference to processed RAWs. Certainly not enough to make the extra work and disk space worth my while.