Archived posting to the Leica Users Group, 2000/10/29
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]There are three different flash circuits (and contacts) on the M4-2 (and early M4-P) for the two pc sockets and hot shoe. it sounds like the contacts on your electronic flash pc socket are dirty or corroded and as the contacts start to move apart when you advance the film, the "roughness allows them to make and break once again triggering the flash. Time for a service. John Collier > From: "Birkey" <dbirkey@uio.telconet.net> > > .... My M4-2 will fire a Wein IR flash trigger > everytime you advance the film... People look at you like an idiot when the > flash fires while the camera is pointed elsewhere... So... I no longer use > that combination.... But at the same time it doesn't fire a shoe-mounted > flash when advancing the film... go figure.