Strange groaning noise from OMD-EM1 with 12-40

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Reza Maziat
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Strange groaning noise from OMD-EM1 with 12-40
10 months ago

Hi all,

I just got my OMD-EM1 with 12-40 lens today.  I have noticed that when the camera is on, as I twist the zoom ring, I can hear a groaning noise coming from the lens.  Strangely, I don't hear it when the camera is off. The noise doesn't sound like the IBIS working.  Can anyone offer an explanation please?

Thanks

Reza

 Reza Maziat's gear list:Reza Maziat's gear list
Olympus E-M1 Olympus M.Zuiko Digital ED 75mm 1:1.8 Olympus 12-40mm F2.8
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