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Yes, I've done MAF on both my bodies with all my lenses. The 24-105L isn't horrible, and is usable, it just never has the sharpness of my other lenses, at any aperture. With Live-view, manual or auto-focus, it always likes a 2 to 4 pixel deconvolution sharpening (Focus Magic) whereas my 70-300L seldom needs any and the 15-85 on the 7D usually only likes 1 or 2 pixels (in spite of the higher-pixel-density sensor of the 7D). That implies an out-of-focus issue, but it is the best the lens can do...manual, live-view or auto. And obviously, sharpening is a poor second to capturing the image sharp in the first place.
In comparison to the other two lenses which beat it, do you expect the 24-105 to be as sharp? If so, I'll pay to send it for adjustment. Or am I just asking too much of it? The other lenses are reputed to be very good.
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