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Occasional Contributor
Posts: 6
Registered: ‎04-14-2018

6D Mark II: Speedlite 430EX Buzzing Sound

’ve seen several forums about a buzzing sound but none of them seem to be having my issue. Every time I press the shutter halfway too focus the pre-flash flashes with a buzzing sound. This is the first time I’m experiencing this or at least I don’t remember hearing it. People have said that it’s something to do with “modeling” but that hasn’t helped. Is this normal? Please help (Camera: 6D Mark II)

Video:
https://youtu.be/CCY9HT8K0WI
Honored Contributor
Posts: 6,128
Registered: ‎08-13-2015

Re: 6D Mark II: Speedlite 430EX Buzzing Sound

That is the Focus Assist Beam.  It is normal to hear some sound.

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"I don't rent software. I use Photoshop CS6, ACR 9.8 and Lightroom 6.8 ."
Reputable Contributor
Posts: 992
Registered: ‎02-06-2013

Re: 6D Mark II: Speedlite 430EX Buzzing Sound

That's the modeling light and sound which is completely normal.  You must have the front button (DOF) somehow programmed as the flash modeling light.  You can turn that off I'm pretty sure.

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Esteemed Contributor
Posts: 4,173
Registered: ‎06-25-2014

Re: 6D Mark II: Speedlite 430EX Buzzing Sound


@Waddizzlewrote:

That is the Focus Assist Beam.  It is normal to hear some sound.


The AFAB on a 430EX is not infrared?

Bob
Boston, Massachusetts USA
Honored Contributor
Posts: 6,128
Registered: ‎08-13-2015

Re: 6D Mark II: Speedlite 430EX Buzzing Sound


@RobertTheFatwrote:

@Waddizzlewrote:

That is the Focus Assist Beam.  It is normal to hear some sound.


The AFAB on a 430EX is not infrared?


The OP says that the flash makes the sound when it is doing a “pre flash.”

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"I don't rent software. I use Photoshop CS6, ACR 9.8 and Lightroom 6.8 ."
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Occasional Contributor
Posts: 6
Registered: ‎04-14-2018

Re: 6D Mark II: Speedlite 430EX Buzzing Sound

I’ve reset my whole camera setting and I’ve even reset the flash settings. I’m okay with the modeling and the way it flashes when I’m trying to focus because it really helps in low light. I’m just worried about the sound I was thinking that maybe I broke something since the flash is new
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