Will Canon TTL flash cord work with M4/3?

Started Aug 25, 2014 | Discussions thread
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Jim Kaye Senior Member • Posts: 2,754
Will Canon TTL flash cord work with M4/3?

I've read that the layout and functions of contacts on a Canon-compatible flash shoe are the same as for M4/3. (On looking at a picture of a 3rd party Canon-compatible TTL flash cord on the B & H web site, it seems to me there is one extra small contact compared with my EM-1 hotshoe -- I suppose it may be used in the Canon system but maybe it's not necessary for a M4/3 flash to work properly -- or maybe I'm not seeing the picture correctly.)

The reason I'm asking is that I want a 2-meter cord, but I'd prefer a simpler one like this (if it works with M4/3):


to a specifically Olympus/Panasonic-compatible one that is more elaborate with a swivel mount built in:


or one like this with an extra hot shoe on top:


(I don't see an Olympus/Panasonic-specific 2-meter Vello TTL cord like the one above -- only versions for Canon, Nikon, and Sony/Minolta.)

Can anyone please confirm that Canon-compatible TTL cords work with Olympus/Panasonic?

Sorry if this has been asked before -- I did a search and looked through the first 100 or so posts I saw but didn't come up with anything relevant.

Thanks in advance.

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Jim Kaye
'I believe that the electronic image will be the next major advance. Such systems will have their own inherent and inescapable structural characteristics, and the artist and functional practitioner will again strive to comprehend and control them.' -- Ansel Adams, 1981

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