Does that really work? I always thought that for fill flash it does not help: if you increase the speed to 4 times the "real" flash sync speed, the effective flash power drops by factor 4. So overall the ratio between available light and flashlight did not improve.
> -----Oorspronkelijk bericht----- > Van: Don Sanderson [mailto:[EMAIL PROTECTED] > Verzonden: Sunday, June 19, 2005 8:03 PM > Aan: [email protected] > Onderwerp: RE: Flashgun for *istDS: Pentax 500FTZ or Sigma EF-500 DG > super > > > When you have bright ambient light, or motion, that requires a high > shutter speed, but also need fill flash. > Very handy. > > Don > > > -----Original Message----- > > From: Jos from Holland [mailto:[EMAIL PROTECTED] > > Sent: Sunday, June 19, 2005 12:46 PM > > To: [email protected] > > Subject: RE: Flashgun for *istDS: Pentax 500FTZ or Sigma EF-500 DG super > > > High speed sync, in which situation can this be of benefit? > > > > > Jos > >
