I wonder if my old Metz CT-1 would damage the istD? It's the only flash I have which does plain autoflash.
On 11/7/05, William Robb <[EMAIL PROTECTED]> wrote: > > ----- Original Message ----- > From: "Jack Isidore" > Subject: flash issues with IstD and 500FTZ > > > >I have an istD with 330FTZ, 400FTZ and 500FTZ flashes. > > The camera is in green mode and I take flash shots at ISO 200, 400 and > > 800 ASA all from a tripod, the same subject and the flashes in > > auto-TTL mode. > > The 200 ISO shots are all underexposed, 400 ISO is more or less > > correctly exposed and 800 ISO are all overexposed. > > > > The IstD manual recommends 200-800 ASA for these flashes. > > > > The solution would be to allways use ISO 400 for flash which would be > > very strange. > > Apparently, on the istD, the TTL flash circuit is optimized for 400 iso. > I have never seen a less accurate TTL flash circuit than the one in the > istD. > Apparently, it's on par with DSLR TTL circuits in general though. > > I do find that if I shoot several pictures in fairly rapid succession, the > flash control goes from innacurate to completely inaccurate. > I cured this by stopping usng my TTL flash adaptor, and going back to plain > autoflash. > > William Robb > > >
