So succinctly true. I spent an entire day painstakingly fine tuning the focus adjustments for each of my lenses on two bodies and just like you I still get different focal planes when on a tripod shooting a fixed object. And don't even get me started on focus peaking. I figured manual focus would solve my focus problems and focus peaking was the perfect solution for my weak eyes only to discover focus peaking is more out of focus than my finely tuned auto [out of] focus. Now, where's my phone at, I want a picture of something or other.