Archived posting to the Leica Users Group, 1998/10/04
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]OK - but others have done it with Leica-type shutter so why not Leica a= s well? Raimo photos at http://personal.inet.fi/private/raimo.korhonen my=F6s suomeksi - ---------- > From: Bernhard Wingerter <Bernd_Wingerter@csi.com> > To: 'leica-users@mejac.palo-alto.ca.us' > Subject: AW: [Leica] RE: M4P framelines/faster flash synch on M-Leica > Date: 03. lokakuuta 1998 21:15 >=20 > Bruce and Raimo! > The M6 has X-sync. That means the flash is fired when the first curta= in is=20 > fully open. The Focal-Plane Mode would need a F-sync. that fires the flash=20 > before the first curtain starts, and the flashlight needs to hold on = till > the second curtain is closed. A sync. time 1/50 means that one curtai= n=20 > needs about 1/50s to open or to close. That means in FP-mode the flas= h has=20 > to hold its light at least 1/50s + the exposure time. (Normally a fla= sh=20 > takes less than 1/1000s). That's the reason why the power of the flas= h is > reduced. >=20 > Bernhard >=20 >=20 > > -----Ursprungliche Nachricht----- > > Question2: As I understand it, the Olympus OM 3TI has a horizontal cloth > > focal plane shutter, not unlike the Leica-M. It too, has a slow syn= c.=20 > Speed > > (1/60) when using normal flash. It also has the ability to synchron= ise up=20 > > to 1/2000 sec when used with the dedicated F-280 flash by using the= =20 > "Super > > FP (focal plane)" flash mode on the flash. Is it conceivable that t= his > > unit, if used on the M-camera, could allow for higher sync. Speeds = and if=20 > > not, surely Leica would have provided something similar with their = new > > flash just released?.--I realise that FP flash at faster shutter sp= eeds > > reduces the effective power of the flash considerably, but for the=20 > purposes > > of slight fill-in, this would not be too much of a concern. > > > Bernd_Wingerter@csi.com >=20 >=20 >=20