om-d sound even when IBIS off??

Started Apr 16, 2013 | Discussions thread
Ron Outdoors Contributing Member • Posts: 824
Re: om-d sound even when IBIS off??

hindesite wrote:

Ron Outdoors wrote:

I had googled older posts. One of the big theories originally was fan noise.

Yes, that was my theory - the noise was from the cooling fan for the jpg engine. (It was a joke, BTW).

I don't see where the gyro theory was disproved. If it sounds like a gyro and acts like a gyro, I would suspect it's a gyro. Maybe someone will take the camera apart and prove otherwise.

Oh come on, you are not serious about there being a spinning gyro in the camera? Is this the same kind of gyro used in the iPhone, and just about every tablet and phone now available?

Spinning gyros are not practical for mass-market applications, these are often solid state (MEMS) vibrating pendulums, which operate far outside human hearing range, and some have no moving parts at all.

The noise is more likely to be produced by the drive motors for the sensor, than the gyros themselves.

I didn't say they spun. Here is one common technology that does vibrate. As I said, the IS is clearly audible on many Canon lenses, and there are no "drive motors for sensors" to explain the sound.

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