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 feature PW> of the flashgun? With my Metz flash, it's a switch on the adaptor. It'll PW> do trailing-curtain sync with the MZ-5n and the MZ-S, although there's no PW> setting on the camera for it. PW> Pat White