Apparently about 330 volts DC. No idea what current, but presumably only tens of milliamps.
On Mon, Dec 8, 2014 at 1:35 PM, John <sesso...@earthlink.net> wrote: > What's the output from the TR 3 power pack? I mean what voltage at how many > amps? > > > On 12/8/2014 8:45 AM, Bruce Walker wrote: >> >> No, because it's not what it seems. The battery pack contains a DC-DC >> inverter that raises the voltage considerably and that connector is a >> special one. The reason for this is because a high voltage is needed >> to charge the capacitor faster for quicker recycle times. >> >> >> On Mon, Dec 8, 2014 at 1:23 AM, Zos Xavius <zosxav...@gmail.com> wrote: >>> >>> Since the battery pack puts out a known voltage, wouldn't it be rather >>> trivial to take a DC adapter and just splice it onto a matching plug?? >>> >>> On Sun, Dec 7, 2014 at 10:23 PM, Christine Nielsen <ch...@inielsen.net> >>> wrote: >>>> >>>> Thanks, Bruce, Bruce & Paul! >>>> >>>> I was aware of the battery pack... and that might be just the ticket if >>>> I were out shooting weddings & such, but I was looking for a solution for >>>> more of a studio space... Easier to just plug in there than mess around >>>> with >>>> batteries, etc. >>>> >>>> And wouldn't I like some monolights for Christmas this year...? I have >>>> a friend with some Alien Bees that I have admired... Bruce W, which PCB >>>> line >>>> are you going with, do you think? Any particular reason you choose those >>>> vs >>>> d-lites? >>>> >>>> I think I had the 360 & 540 set at 1/2 power for this shoot... Probably >>>> could have adjusted iso for 1/4 & done a better job keeping up with squirmy >>>> toddlers. Not being able to shoot continuously when using flash really >>>> changes the game when shooting little kids... >>>> >>>> Thanks again, guys, I appreciate your thoughts! >>>> >>>> -c >>>> >>>> >>>> On Dec 7, 2014, at 7:01 PM, Bruce Walker <bruce.wal...@gmail.com> wrote: >>>> >>>> Great kids portrait, Christine! >>>> >>>> As Paul mentioned, no AC adapter for the Pentax flashes. >>>> >>>> I think the TR battery pack is very much overpriced, and you'd be much >>>> better off with monolights. The Elinchrom D-Lites are well-priced in >>>> kits. You are in the USA, are you not? Then the Paul C Buff series are >>>> available to you and are really good value. If you need portable from >>>> time to time the Vagabond will power them (or D-Lites) in the field. >>>> The monolights also give you a modeling light and audible indication >>>> of recycling ready. >>>> >>>> What I do to get useful recycle times with flashes is set the flash at >>>> 1/2 or 1/4 power and up the ISO a stop or two to compensate. ISO 200 >>>> or 400 should work fine. With fresh batteries, at 1/2 power the AF540 >>>> recycles at just around a second; at 1/4 power it's almost >>>> instantaneous. By the way, using two or more flashes in tandem will >>>> get you back your light power. Used at 1/4 power you get speed too. >>>> >>>> If you are getting recycle times slower than that then you may have >>>> one or more weak cells in your set. Some battery chargers test for >>>> weak cells. I use a little jig with a flashlight lamp to apply a load >>>> and then I measure the voltage drop at the battery. A good cell will >>>> only droop a little, while a weak cell will drop as much as a volt. >>>> >>>> But I'm getting really tired of the whole song and dance around >>>> flashes and batteries so I'm gifting myself some Paul Buff monolights >>>> this Christmas. >>>> >>>> >>>>> On Sun, Dec 7, 2014 at 5:59 PM, Christine Nielsen <ch...@inielsen.net> >>>>> wrote: >>>>> Hello & Happy Holidaze to one & all.... >>>>> >>>>> I'm sorry it's been a while since I've been around... life has gotten >>>>> busy and photographic inspiration has been scarce, it seems. So it >>>>> goes. Hope all is well with you? >>>>> >>>>> I think I already know the answer to my question (no), but here goes: >>>>> does anyone know is there an AC adapter set-up available for the >>>>> pentax 540 (or 360) flash? My vivitar has one... the pentax flashes >>>>> don't appear equipped for this. Maybe there's a work-around? >>>>> >>>>> I had a crew at my place yesterday for a quick Christmas card >>>>> shoot... I often just go with natural light in there, but it was a >>>>> rainy, overcast morning... and this bunch isn't much for sitting >>>>> still... So, more light was in order, and it would have been great to >>>>> have faster recycle times... >>>>> >>>>> Though, I wonder what the terminal velocity is for recycle times...? >>>>> Would having AC power be any faster than running flashes at 1/64 or >>>>> 1/32...? >>>>> >>>>> And, just to give you an idea of what I was up against, a peso... ;) >>>>> http://www.christinenielsen.com/sharing/h1763AF#h1763af >>>>> >>>>> Thanks for your thoughts, >>>>> -c >>>>> >>>>> -- >>>>> PDML Pentax-Discuss Mail List >>>>> PDML@pdml.net >>>>> http://pdml.net/mailman/listinfo/pdml_pdml.net >>>>> to UNSUBSCRIBE from the PDML, please visit the link directly above and >>>>> follow the directions. >>>> >>>> >>>> >>>> >>>> -- >>>> -bmw >>>> >>>> -- >>>> PDML Pentax-Discuss Mail List >>>> PDML@pdml.net >>>> http://pdml.net/mailman/listinfo/pdml_pdml.net >>>> to UNSUBSCRIBE from the PDML, please visit the link directly above and >>>> follow the directions. >>>> >>>> -- >>>> PDML Pentax-Discuss Mail List >>>> PDML@pdml.net >>>> http://pdml.net/mailman/listinfo/pdml_pdml.net >>>> to UNSUBSCRIBE from the PDML, please visit the link directly above and >>>> follow the directions. >>> >>> >>> -- >>> PDML Pentax-Discuss Mail List >>> PDML@pdml.net >>> http://pdml.net/mailman/listinfo/pdml_pdml.net >>> to UNSUBSCRIBE from the PDML, please visit the link directly above and >>> follow the directions. >> >> >> >> > > -- > Science - Questions we may never find answers for. > Religion - Answers we must never question. > > -- > PDML Pentax-Discuss Mail List > PDML@pdml.net > http://pdml.net/mailman/listinfo/pdml_pdml.net > to UNSUBSCRIBE from the PDML, please visit the link directly above and > follow the directions. -- -bmw -- PDML Pentax-Discuss Mail List PDML@pdml.net http://pdml.net/mailman/listinfo/pdml_pdml.net to UNSUBSCRIBE from the PDML, please visit the link directly above and follow the directions.
