Dropping Camera Affecting Focus?

I'm on the verge of sending my 60D in to Sigma with my 30mm, but there's something I want to get an opinion on. A little while ago, my camera fell off my bed and hit the ground a little hard, but nothing to really worry be too much. But now that I'm sending my camera and lens to get callibrated, I'm wondering if the little drop could have pushed the in camera focus out of specs.

My main concern is that after I get my lens calibrated to my camera, if I buy another lens (70-200 II) and if my camera did get pushed out of specs, I'd have to get everything callibrated again. Am I worrying too much? Would a small drop like that have no effect whatsoever on the in camera focus?

Thanks for your help. This forum has been a godsend to a noob like myself!

Are your Canon lenses having a problem after the drop?

Since the kit and the 55-250 have decently small apertures, I can't see too much noticable difference and I currently don't have my Nifty with me (lending it to a friend). Recently I've been using the 55-250 near the 200 focal length so the DoF gets even larger (am I right about this?) so I can't really tell. Maybe my fear really is blown out. The lack of MA on the 60D also has me in a fidgity mood at the moment.

The 55-250 at the 250 end will have a pretty narrow DOF at 5.6. If you focus at something near the Minimum Focus Distance (MFD), you should be able to tell.

Word of caution: Do all your focus tests in very good light. Otherwise you WILL drive yourself crazy.

Sometimes I wish the 60D had the MFA option. Since EVERYTIME but EVERYTIME doing a test in good light shows that the AF works spot on, I shudder to think how much damage I would have done screwing around with lens calibration.

Yesterday I shot a friend's children at their piano/cello recital. Even the 70-200 L photos were kind of soft... The 50mm were decidedly soft.

I went on a photo walk today only with the nifty fifty, just to test it. Spot on! So I spent the rest of the day playing with its bokeh...

Test shot (focus at the upper corner of the Hughes book and recomposed).

If the sigma focus didn't change after the fall I wouldn't worry. While I haven't dropped a camera I have had a lens fall off a car onto pavement breaking 3 element groups. The focus remained spot on, it was just soft on the left side.