Because the module just set the camera to synch speed when the flash recycled.
"Billy Gates and confusers are smarter than *you*!" :) ------ Robert ----- Original Message ----- From: "Bruce Dayton" <[EMAIL PROTECTED]> To: "Robert Chiasson" <[EMAIL PROTECTED]> Sent: Sunday, January 04, 2004 4:25 AM Subject: Re[4]: why trailing-curtain-sync is useful > Hello Robert, > > How would it know how long to wait? What if the shutter was set for > 1/15 or 1/8 or 1 second. The flash faking it would not be much of a > trailing curtain synch now would it? Seems that the body needs to > signal to the flash when to fire. > > -- > Best regards, > Bruce > > > > Saturday, January 3, 2004, 9:30:17 PM, you wrote: > > RC> The flash could be faking it, being triggered by the normal X synch, but > RC> waiting 9 milliseconds (whatever) before firing the flash. > > RC> ------ > RC> Robert > > > RC> ----- Original Message ----- > RC> From: "Bruce Dayton" <[EMAIL PROTECTED]> > RC> To: "Pat White" <[EMAIL PROTECTED]> > RC> Sent: Saturday, January 03, 2004 8:22 PM > RC> Subject: Re[2]: why trailing-curtain-sync is useful > > > >> While it is a switch on the flash, my hunch is that the camera body is > >> told by the flash that trailing synch is set. Otherwise the camera > >> wouldn't know to trigger the flash at the trailing curtain instead of > >> the first curtain. > >> > >> -- > >> Best regards, > >> Bruce > >> > >> > >> > >> Saturday, January 3, 2004, 3:16:03 PM, you wrote: > >> > >> PW> Maybe I'm wrong, but with modern gear, isn't trailing-curtain sync a > RC> feature > >> PW> of the flashgun? With my Metz flash, it's a switch on the adaptor. > RC> It'll > >> PW> do trailing-curtain sync with the MZ-5n and the MZ-S, although there's > RC> no > >> PW> setting on the camera for it. > >> > > > > >
