This thread is rather interesting - could explain a bit how the 540-FGZ works in regards to the Powerpak III. I realize this is for a Nikon, but could be very similar: http://photo.net/bboard/q-and-a-fetch-msg?msg_id=00FMWA
On top of that, Bruce Rubenstein is one of the posters - for those who remember him. -- Bruce Wednesday, February 21, 2007, 10:38:02 AM, you wrote: pcn> I don't know the output voltage of the battery II. Perhaps pcn> I can measure it. I think I have a voltmeter buried in the garage pcn> somewhere. pcn> Paul pcn> -------------- Original message ---------------------- pcn> From: Brendan MacRae <[EMAIL PROTECTED]> >> >> --- [EMAIL PROTECTED] wrote: >> >> > I asked Quantum if I could use the battery 2 power >> > supply with the AF-540 FGZ. This is their answer: >> > >> > "Thank you for your inquiry on the Pentax AF-540 >> > FGZ. Unfortunately, we have not yet evaluated or >> > tested that flash. We do not like to recommend using >> > our products until we have fully tested the >> > equipment and make sure that they will work with the >> > unit. When we have completed our evaluation, we will >> > add its compatibility to the list on our website. We >> > can not officially recommend self-service or >> > modifications of our products." (I had asked if I >> > might be able to make a power cord with Radio >> > Shack-type parts-bin pieces.) >> > >> > I'm tempted to try the batery 2 on my 540. The >> > battery 2 is a 9-volt power supply. It seems the >> > Pentax TR Power Pack III is also 9 volts in that it >> > takes six C cells. However, this is confusing in >> > that the flash without external power supply takes >> > only four AAs. Does the TR Power Pack III reduce the >> > voltage to six? Or can the flash operate on either >> > six or nine volts? >> > >> >> With the TR III you need to have the AA's in the flash >> at the same time. The power pack alone will not charge >> the flash (according to the manual). I assume this is >> because the pack is acting a booster. So, again I'm >> guessing, but the flash seems to be able to operate @ >> 6 and 15 volts. But, keep in mind that this means >> nothing but BATTERY voltage. The DC OUTPUT charging >> voltage from the TR III is 330v. What's the DC OUT for >> the Quantum pack? >> >> You have me intriqued now, too. >> >> -Brendan >> >> >> >> >> ________________________________________________________________________________ >> ____ >> Never miss an email again! >> Yahoo! Toolbar alerts you the instant new Mail arrives. >> http://tools.search.yahoo.com/toolbar/features/mail/ >> >> -- >> PDML Pentax-Discuss Mail List >> [email protected] >> http://pdml.net/mailman/listinfo/pdml_pdml.net -- PDML Pentax-Discuss Mail List [email protected] http://pdml.net/mailman/listinfo/pdml_pdml.net
