I have also believed that mirrorless cameras don't need to be fine tuned. I have never done it, and have never noticed a need for it.
However, the makers of FoCal and AF fine tuning system have published an article on the Z9 saying that improvements can be had by fine tuning both F and Z mount lenses for use on your Z( (and presumably all your mirrorless cameras. They claim to have collected a lot of data confirming this need. Whether this is an attempt by them to keep their product relevant in the age of mirrorless cameras I don't know. But it may be where agrumpyoldsod gets his information regarding this issue.
I have also believed that mirrorless cameras don't need to be fine tuned. I have never done it, and have never noticed a need for it,
However, the makers of FoCal and AF fine tuning system have published an article on the Z9 saying that improvements can be had by fine tuning both F and Z mount lenses for use on your Z( (and presumably all your mirrorless cameras. They claim to have collected a lot of data confirming this need. Whether this is an attempt by them to keep their product relevant in the age of mirrorless cameras I don't know. But it may be where agrumpyoldsod gets his information regarding this issue.
