Lemme give you an idea of my equipment:
7D, 24-105 f4L, 17-55 2.8 (EF-s), 100mm IS Macro, 70-200 IS II, Sigma 10-22, 1.4x extender
For every lens up until the 1.4x extender I've been happy with the sharpness so I've never messed with AF microadjustment. I recently bought the 1.4x extender to...