Yes, as far as I remember, but I could be wrong. That is what I understood of previous discussion on this topic.
2005/6/19, Don Sanderson <[EMAIL PROTECTED]>: > Thibouille, are you saying that to do wireless with the Sigma > you have to buy TWO of them, even for the ist-D? > > Don > > > -----Original Message----- > > From: Thibouille [mailto:[EMAIL PROTECTED] > > Sent: Sunday, June 19, 2005 2:10 PM > > To: [email protected] > > Subject: Re: Flashgun for *istDS: Pentax 500FTZ or Sigma EF-500 DG super > > > > > > I think the external one does react to the pop-up one. > > Something like a small fire to begin and another one to stop. > > > > What I'm sure of is that you can choose between a couple channels so > > your flash does not fires if the guy next to you uses a similar setup. > > > > However, be advised that the Sigma one doesn't work with the D popup > > (nor the DS which doesn't even suport this feature). But if you have a > > Sigma on the camera and the Sigma handheld, it'll work alright. > > > > The 360FGZ has the advantage that it can play nicely with the > > pop-up flash. > > > > 2005/6/19, Joaquim Carvalho <[EMAIL PROTECTED]>: > > > Thibouille wrote: > > > > > > >>Wireless TTL - what is it and how does it work? > > > >> > > > >you get TTL without the need for cords everywhere. eg you can just > > > >have the flash in your hand and body in other hand you still have TTL. > > > > > > > > > > > How do the camera and the flash comunicate? Radio signals? Or does the > > > external flash follow the pop-up camera flash? > > > > > > > > > > > > -- > > ---------------------- > > Thibouille > > ---------------------- > > *ist-D,Z1,SuperA,KX,MX and KR-10x ... > > > > -- ---------------------- Thibouille ---------------------- *ist-D,Z1,SuperA,KX,MX and KR-10x ...
