To DAP, I’ve added a study showing focus shift with the Nikon AF-S 24mm f/1.4G.
I intend to continue with these studies (over time), because they relate directly to getting optimal results with super high-res cameras like the Nikon D800E.
“Know your gear”.
Understanding lens behavior can let you tweak that extra bit of goodness out of a lens/camera combination. Which is why Making Sharp Images should be considered required reading for those seeking the best from their gear.