Years ago I called Pentax to check on the serial number of my Metz CT1 and they warned me it would damage the electronics of a MZ-5n. Apperently the voltage of the CT1 was to high. I have no idea what voltage the istD can handle on the PC flash connector. I don't have the guts to give it a try.
On 11/9/05, Jens Bladt <[EMAIL PROTECTED]> wrote: > It probably won't. I use it - and a lot of other old Metz flashes. Somone > else here might offer better advice, based on the electronic information > (voltage) etc., though. > Regards > Jens Bladt > http://www.jensbladt.dk > > -----Oprindelig meddelelse----- > Fra: Jack Isidore [mailto:[EMAIL PROTECTED] > Sendt: 8. november 2005 20:36 > Til: [email protected] > Emne: Re: flash issues with IstD and 500FTZ > > > 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 > > > > > > > > >
