Gosh! If that's true then it's pathetic.
Muddie. I suggest you ditch ACR for that camera and use whatever raw converter
Pentax supplies. I do not know what Pentax supplies for this. Somebody will.
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PS: DNG is not the same as a raw file. It already has been converted to that format.
I do not know all the implications of that, but I would suspect some sort of loss.
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I found (only another one reference) but it bodes badly for K1 files.
https://forums.adobe.com/thread/2157199
So Muddie. Did you not get a disc/online reference to a file converter OTHER THAN
what we've already mentioned?