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The auto focus on my 35mm lens is not working - Am desperate as working in remote, dangerous area of Africa

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Dear Carol484:

The autofocus mechanism in your camera and lens is very complicated and can get out of "calibration" causing AF problems. Of course there are external factors that can cause this as well (dust, moisture, shock, etc). In Africa these external factors may come more into play than usual.

Of course the first and obvious remedies to try includes such things as:

1. Cycling your AF/MF a couple of times (switch it back and
forth a few times to see if it helps)
2. Removing your lens from the camera body and cleaning the
metal contacts there (preferably with an electrical contact
cleaner, but an eraser will do in a pinch)
3. Performing a hard reset on your camera (Resetting the set-
tings to default, removing the batteries for a few minutes,
and then reinstalling them)

If none of these help, use your Manual Focus until you can have the lens sent into a Canon Service Center for calibration and possible repair. Good luck.


Sincerely,
HeavyDLB

Posted on Jun 01, 2008

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