July 28, 2014, 06:43:42 PM

Author Topic: 600 ex-rt Automatic Zoom Flash Coverage troubleshoot  (Read 793 times)

DaveMiko

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600 ex-rt Automatic Zoom Flash Coverage troubleshoot
« on: April 01, 2014, 11:49:24 AM »
In my 600 ex-rt I'm trying to set my zoom coverage to be automatic, and the "A" option seems to have disappeared from my LCD display! All I see is the manual option "M" and then an option for "Zoom ---- mm". I'm shooting in ETTL flash mode.
I can set the zoom to manual but when I use the dial to turn to auto the A never comes on nor does it display the zoom amount. The camera, in its flash controls, thinks the flash is set to auto zoom. Cleaning the contacts doesn't help. Any ideas how I can get the "A" option to reappear? Any suggestions?

Thanks,

David
1DX, 5D Mark III, 24-70 f2.8 II, 24-105 f4 IS, 70-200 f2.8 IS II, 70-200 f4 IS, 100-400 f4.5-5.6 IS, 600 f4L IS II, 300 f2.8L IS II, 2x Mark III, 1.4x Mark III.

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600 ex-rt Automatic Zoom Flash Coverage troubleshoot
« on: April 01, 2014, 11:49:24 AM »

neuroanatomist

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Re: 600 ex-rt Automatic Zoom Flash Coverage troubleshoot
« Reply #1 on: April 01, 2014, 11:56:24 AM »
Is the wide panel pulled out?
EOS 1D X, EOS M, and lots of lenses
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DaveMiko

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Re: 600 ex-rt Automatic Zoom Flash Coverage troubleshoot
« Reply #2 on: April 01, 2014, 11:57:50 AM »
Is the wide panel pulled out?

Yes, it is.
1DX, 5D Mark III, 24-70 f2.8 II, 24-105 f4 IS, 70-200 f2.8 IS II, 70-200 f4 IS, 100-400 f4.5-5.6 IS, 600 f4L IS II, 300 f2.8L IS II, 2x Mark III, 1.4x Mark III.

neuroanatomist

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Re: 600 ex-rt Automatic Zoom Flash Coverage troubleshoot
« Reply #3 on: April 01, 2014, 12:03:18 PM »
You can't set a head zoom with the wide panel out.  Also, make sure your flash head isn't turned, that fixes the zoom at 50mm and displays dashes for the zoom setting.
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DaveMiko

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Re: 600 ex-rt Automatic Zoom Flash Coverage troubleshoot
« Reply #4 on: April 01, 2014, 12:07:16 PM »
You can't set a head zoom with the wide panel out.  Also, make sure your flash head isn't turned, that fixes the zoom at 50mm and displays dashes for the zoom setting.

Thanks for the tip, Neuro.  ;) The flash now works flawlessly.
1DX, 5D Mark III, 24-70 f2.8 II, 24-105 f4 IS, 70-200 f2.8 IS II, 70-200 f4 IS, 100-400 f4.5-5.6 IS, 600 f4L IS II, 300 f2.8L IS II, 2x Mark III, 1.4x Mark III.

Marsu42

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Re: 600 ex-rt Automatic Zoom Flash Coverage troubleshoot
« Reply #5 on: April 01, 2014, 02:24:22 PM »
Is the wide panel pulled out?
Yes, it is.

Btw the wide panel tends to get dirty sometimes so the flash doesn't realize it's retracted, in this case you have to clean it and try again...

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Re: 600 ex-rt Automatic Zoom Flash Coverage troubleshoot
« Reply #5 on: April 01, 2014, 02:24:22 PM »