Sun 28-Apr-13 02:18 PM | edited Sun 28-Apr-13 02:24 PM by walkerr
I'll just say that I don't find either the Lens Align or Focus Tune difficult to set up, use and get repeatable results. It's much quicker and easier to use Focus Tune to examine images for maximum sharpness than to do it myself. Having it do multiple samples (the manual recommends ten per fine tuning setting) reduces the effects of random error, which you'll see on some of its plots. On the other hand, the recommended fine tuning amounts with my current lenses and cameras aren't extreme - pretty minor.
Full disclosure: I don't obsess about minor variations in settings, so my experiences and tolerances may be different than others. If I get close, I'm happy and then move on.