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T4i lost autofocus issue

Started Jun 28, 2015 | Discussions thread
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Harry Zee
Harry Zee Contributing Member • Posts: 525
T4i lost autofocus issue

Just had my T4i returned from Canon after getting the full 18 point servicing and cleaning as I had developed spots on my pictures that I could not remove with at home cleaning. Camera was working fine with both of my lenses (Canon and Tamron).

In addition to the maintenance  and cleaning they replaced the mirror cushion and focus screen box.

When I tried out the camera yesterday, everything was functioning with the exception that autofocusing was no longer working at all. Obviously manual focusing still works.

Checked and rechecked all of the switches on the lens and camera along with going through the entire menu three times and resetting everything to where I normally have them. Wiped down the lens contacts in the camera though they appeared clean and free of any coating.

Nothing has brought back the autofocus function and nothing else appears to be amiss.

Tried both lenses several times with "no joy".

Will contact Canon tomorrow, but thought it might be worth a try to see if someone may come up with something I have missed.

I sent only the camera body in as the lenses were fine.

Thanks in advance for any tips, hints, useful suggestions.

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Harry Zee

Canon EOS Rebel T4i (EOS 650D / EOS Kiss X6i)
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