Never having used a flash, forgive my ignorance. What makes the Sigma a better choice than the Pentax? Almost flawless? Are there things about flash that are problematical? Why is the istD "pretty much useless at TTL flash?"
Shel > [Original Message] > From: <[EMAIL PROTECTED]> > > In practice, the istD is pretty much useless at TTL flash. > > > > William Robb > > > > My *istD works great at iso 400 with both the Sigma 500 Super and the Pentax AT400 flash. Probably a bit better with the Sigma, where it's almost flawless. > >
