I had thought that the image looked like it was getting light from the main
camera, but after getting a similar explanation from Metz support, I'll have
to recheck. Thanks for the additional information.
On Fri, Jun 20, 2008 at 5:37 PM, Richard Ociepka <ociepka@xxxxxxxxxxxxxx>
wrote:
> The E-3's built-in flash transmits data optically to remotely control
> the flash.
> Did you notice if the built-in flash affected the exposure?
>
> Remote wireless flash.
> http://www.imaging-resource.com/PRODS/E420/E420FLASH.HTM
>
> "The central idea behind all of these wireless flash systems is to use
> very rapid pulses of the flash tube to convey digital data between the
> camera and the various flash units. All of which happens in a
> surprisingly short period of time, well under a second. The sequence
> begins with camera's flash sending out a series of pulses to wake up the
> remote units, tell them what exposure mode they'll be operating in and
> configure them for the upcoming exposure. It then triggers a pre-flash
> from all the remote units, measuring the light coming back from each
> group (there can be as many flashes as you like, configured in up to
> three control groups). The camera's CPU performs some exposure
> calculations, then uses its own flash head to transmit power-level
> commands back to each flash group. Finally, a last pulse from the
> camera's head triggers all the remotes to fire at their assigned power
> levels."
>
> I hope this helps.
>
> Dick
>
>
>
> James Howe wrote:
> > I have an Olympus E-3 and I recently purchased a Metz 48 AF-1 flash
> unit.
> > The Metz is supposedly compatible with the Olympus RC Flash capability
> > (with recently updated firmware). I was testing things out and I was
> able
> > to get the E3 to trigger the Metz. However, what surprised me was that
> the
> > Olympus flash itself also flashed.
>
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--
James Howe
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