The main thing is that the body must measure the light of the two flashes independently. Therefor one flash is fired and controled at the beginning of the time the shutter is open (first curtain sync) and the second flash is fired and controlled at the end of the open shutter time (second curtain sync) The total shutter time must be long enough to allow the electronics to recover from the first flash to control the second flash correctly. Greetz, Jos
> -----Oorspronkelijk bericht----- > Van: Juey Chong Ong [mailto:[EMAIL PROTECTED] > Verzonden: Thursday, July 28, 2005 4:35 PM > Aan: [email protected] > Onderwerp: Re: contrast control flash question > > > I thought the main thing in contrast control flash is that the RTF is > told to fire at reduced power. > > > On Jul 27, 2005, at 8:54 AM, Frank Wajer wrote: > > > simple question: how does the body (specifically MZ-5n) know that > > you want contrast control flash and therefore use a flash speed of > > 1/60 instead of 1/100. >
