As an observer of the different experiences here I can assure you studiorl, that something about your two cameras is different. At least, something is different about the way you describe your two cameras, compared to the way I and otheres are descri...
There are two issues of interest, at least to me . the issue addressed specifically by this thread is the use of the AF assist beam from a speedlite. my testing shows, on my own 5D3, that this works very well. at essentially "pitch black" condit...
May we ask if you have also given study to the use case where NO AF ASSIST BEAM is used -- that is, on-location low light venues where the 5D mark ii aquires focus significantly faster than the 5D mark iii ? Perhaps with or without the AF assist be...