I have had similar issues with a deported flash I wanted to trigger
thanks to the swell on-board flash.
If I remeber well, I finally managed to use it so by using longer
exposures than anticipated, and paying careful attention that the
flash was NOT set to the "second curtain".
Hope this helps.
Philippe
Le 19 mars 13 à 22:16, Ken Norton a écrit :
> Well, mystery solved. Again, maybe, who knows, old age, etc...
>
> I was getting stuff together last night for a major off-site portrait
> shoot. Due to specific issues involved with this portrait shoot, I
> decided I needed to shoot with the Panasonic DMC-L1. But, I'm also
> using three studio strobes. Typically, my setup is to use a wireless
> radio trigger to fire one or more of them and let the others optically
> slave. But the DMC-L1 has the built-in flash, so I figure I'd tilt it
> up to the bounce position and let it trigger the optical slaves that
> way.
>
> I have an eclectic mix of self-contained strobes, including an old
> 10,000 White Lightning which was tucked away in my $20 box-o-goodies.
> I tested it and it worked fine. I chimped the test shot making sure
> that it fired and synced OK. Since it did, I was tempted to not do the
> others, but I decided to waste my time and do it anyway. Neither of
> the other two would sync, even though they fired. Huh???
>
> The DMC-L1 has a "pre-flash" that fires no matter what. Absolutely no
> way that I can find to defeat it. The old White Lightning fired
> correctly because it was just blind enough to not see the pre-flash.
> The other two were sensitive enough to see the preflash. (I've run
> into this problem in the past and wasn't sure exactly what was going
> on because it would sometime work and sometimes not. Intermittent
> problems are a real pain to diagnose).
>
> So, my workaround is to throw a 285HV on the hotshoe and let it
> trigger the slaved strobes. I tested and tested and tested. Oh, and I
> even tested. I COULD have used the radio triggers, but was somehow
> focused on doing it the hard way. I only need to fire one... Oh, yeah,
> now I remember (see first line), the radio triggers don't work well on
> the DMC-L1 because of pin alignment.
>
> Why the DMC-L1 for this project? I need to match a 50 year old B&W
> wedding photograph by getting the lighting and poses exactly the same.
> The DMC-L1 does a very good job with in-camera B&W and with the Eye-Fi
> card, I am able to immediately chimp the image on the iPad which will
> sit next to the photograph being matched. We're doing other
> modern-color shots too, but the money-shot is the B&W.
>
> --
> Ken Norton
> ken@xxxxxxxxxxx
> http://www.zone-10.com
> --
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