Thank you Tony, Andrew, and Peter for your good help.
--- I did know that PhotoKit was somehow incorporated into ACR, but I didn't know how. When opening a raw file in ACR is it best to rely on the given sharpening settings ? Are they specific, automatically, to the camera and lens ? And is this initial ACR sharpening the same as PKs Capture sharpening?
--- And what is the equivalent, if any, to PKs Output sharpening?
--- I shall have to look into Focus Magic, especially for it's effect on out-of-focus issues.
Thank you all again very much.
Richard