is there some documentation to Canon EOS USB communication protocol available? I mean something like list of commands with variables and explanations. I only found some bits to old non-dslr cameras, but there certainly must be something if open-source apps like digiCamControl keep appearing I was even able to find EF communication protocol documented nicely, but USB-camera communication is still mystery for me. Thank you!
General Discussion about digiCamControl and related photography techniques.
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Canon EOS USB communication protocol