Andreas:
Dr. R. Lee Hawkins has done a lot of work with multiple flashes on the OM
system (lighting up caves, as I recall). I don't know if he is still a list
member, but here is a link to his site:
http://brashear.phys.appstate.edu/lhawkins/photo/photo.shtml
What is your porject, that it rerquires so many flashes?
Bill Stanke
----- Original Message -----
From: "Andreas Pirner" <AndreasPirner@xxxxxx>
To: <olympus@xxxxxxxxxx>
Sent: Monday, August 16, 2004 11:35 AM
Subject: [OM] Re: Re: TTL Multi Connector
>
> Hi Radek,
>
> > TTL multiconector is just passive repeater (parallel
> > connection of pins), like T32 or OM-2sp,3(Ti),4(T,Ti)
> > has shoe pins repeated to TTL connector.
> > Number of this way parallely connected flashes is limited
> > because of decreasing input impedance of quench circuit.
>
> Thanks for this info. I've guessed it.
>
> Since I plan to experiment with a "multitude"
> of TTL connected flashes, wiring them together
> without using original TTL cords and connectors
> and T20 adaptors doesn't seem to be a problem.
>
> That leaves two questions:
>
> Is mixing T-series flashes and "generic" OM-dedicated
> flashes dangerous? Or disfunctional?
>
> Another research through web'n'groups has brought
> the information that the 9-flashes-maximum dogma
> set by Olympus is pretty much on the safe side. It
> could be up to 14 or 15 units, before the collective
> impedance change fouls the quench procedure. Did
> anyone ever get that adventureous to find out?
>
> An alternate and/or complementing approach will be
> wireless TTL flashes. Yes, wireless!
> The only set of flashes (known to me) capabable of
> handling this feat are M*tz 40 MZ.. flashes (and that
> "slightly" more expensive 54 MZ..).
> One goes as master flash on top of any TTL OM via a
> SCA 321 adaptor. All others are equipped with SCA 3080
> (actually any SCA 308x) slave adaptors, that do the
> clever to'n'fro quench talking for the whole setup.
>
> The material side of these experiments is pretty
> easily AND pretty cheaply obtainable by doing some
> eB*y shopping. Working SCA flashes are around 10,- EURO
> a piece, SCA 321 adapter fare at a rate of 14,- EURO.
> (All prices are for german eB*y deals, I made during
> the recent months. I do eB*y statistics for nearly
> all OM and OM related equipment since more than 2
> years and covered more than 13000 [yes, thirteenthousand]
> transactions. Again: all related to eB*y Germany)
>
> Long talk, short question: Has anyone done so before,
> and can now keep me from disasterous experiences? Or
> is this pioneer land, never touched by OM photographer's
> foot before?
>
> Andreas
>
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