Where the HUM comes from...maybe

Started Apr 1, 2012 | Discussions thread
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Where the HUM comes from...maybe
Apr 1, 2012

Since Olympus has raised the refresh rate at which the camera "scans" the sensor into a more easily "audible" range (120hz) for purposes of faster focus, I would look to the focus system for the source of the "Hum".

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Larry Lynch
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