EF16-35 mk2 problem?

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Steve
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Hi all

Any ideas or suggestions as to what can cause the focus ring to stick? There is about 10mm of movement . When I first noticed this af was working fine but that's now doing the same? Any help appreciated
 
it can be caused by a drop, knock, or if some alien object (dust, sand) has gotten inside the barrel. either way you definitely need to send it in for service/repair.
 
Many thanks

I managed to free it up but I reckon it's time it went for service anyway.

Thanks again :thumbs:
 
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