rral22 wrote in post #10653431
If you don't know it needs it, don't do it. Are you happy with the pictures? Then you are fine.
That "nagging feeling" is, I expect, the result of reading too many posts from pixel peeping measurebaters on internet forums. Relax. Enjoy your camera and lenses until you actually find a problem.
If you don't see a problem with your lenses, then don't try to create or imagine one that isn't there. If you want to check them, make sure your methodology isn't flawed (as it so often is in internet forum lens tests); put the camera on a tripod in good light, use a low ISO and high shutter speed (above 1/FL), shoot a subject with good contrast for the AF to lock onto and use a remote release or the self-timer.
Too many people have read "measurebator" threads about sharpness and micro-adjust, so they go take a handheld picture of their dirty sock from 6 inches away at 1/4 sec. shutter speed on 3200 ISO in a room with one table lamp lit, then post a 500% crop of it and ask "Is my lens sharp?". (Okay, maybe over-exaggerated a bit, but you get the point.)
FWIW, I've never had to micro-adjust any of my lenses. I go out and take photos of real things (not test charts, batteries, water bottles, yardsticks, etc.), then load the images onto my computer and look at them. If they look sharp and there are no obvious errors in focusing (that aren't user malfunction), I call it good and don't lose sleep over it.