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E-TTL interface analysis by Bill Grundmann - flash body Canon protocol

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Offline lorenzo353

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E-TTL interface analysis by Bill Grundmann - flash body Canon protocol
« on: 30 / March / 2010, 05:28:38 »
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FYI

http://billgrundmann.wordpress.com/2009/03/04/ettl-interface/

source: http://translate.google.com/translate?js=y&prev=_t&hl=fr&ie=UTF-8&layout=1&eotf=1&u=http%3A%2F%2Fwww.dslr-forum.de%2Fshowthread.php%3Fs%3D6256b70a8b9011e8e83777c4b59342f1%26t%3D649529%26page%3D2&sl=de&tl=en

http://kzar.net/wiki/Photo/CanonE-TTLProtocol

Lorenzo
« Last Edit: 30 / March / 2010, 05:35:56 by lorenzo353 »
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Offline hudson

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Re: E-TTL interface analysis by Bill Grundmann - flash body Canon protocol
« Reply #1 on: 31 / March / 2010, 22:19:16 »
Interesting that the aperture commands are the same ones that are used for the property messages in Magic Lantern's aperture.c.  Although he only measured down to f/2.0; we have all the way to f/1.2.
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