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 >
