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RF 70-200 f/2.8 makes rattling sound when being shaken

Started Dec 24, 2019 | Questions thread
MayaTlab0 Senior Member • Posts: 2,985
Re: RF 70-200 f/2.8 makes rattling sound when being shaken

It is also possible that it's caused by the AF design. I believe that Nano USM is similar to most other brands' linear motors and that these need power to fix the elements in place.

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