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Cogitare · ‎02-10-2019

I have probably changed a setting or so but I can’t figure this out. When the camera hasn’t been used for a couple of hours, I can only do about 1-2 autofocusing before the tracking zone on the screen becomes red. (The camera lens won’t move at all). The lens is a standard 18-55mm kit lens that was included in the box. I have tried all of the AF operations and none of them works. And yes, the lens is switched to AF.

I do rely on the auto focusing a lot so I would be really grateful if any of you had an idea of what may cause this issue.

Waddizzle · ‎02-10-2019

I suspect that the AF motors could be misaligned and jammed up.

https://community.usa.canon.com/t5/Lenses/Autofocus-not-working-18-55mm-lens/m-p/138114#M5459

That link describes a solution for the older EF-S 18-55mm lenses. The older lenses do not have manual focus override. It is all too easy to reach up to turn the zoom ring while looking through the viewfinder, but actually turn the focus ring, which can cause the AF motors to become jammed.

The newer “STM” lenses do not suffer from this problem., because their focus rings have manual focus override. One dead giveaway that this could be the issue with your lens is that if you detach the lens from the camera and shake it, you will probably hear a faint rattle.

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"Fooling computers since 1972."

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Cogitare · ‎02-13-2019

I looked through the discussion from the link you gave me and I found someone saying that you should turn the focus ring all the way to both ends. I’m not sure how, but it have worked so far. Thank you for helping me 🙂

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