The OM3 can work completely manually with no batteries, but the flash does not
then work, as far as I understand? People like the idea of not having to rely
on batteries in any circumstances.
On the thread about the compatibility of high voltage flashes I suggested what
*might be* a possible way of triggering flashes, even when the battery is dead
in an OM4 and it is used on red 1/60. If the OM3 is set up the same, it should
also work , using this method. For reasons why this **might** work check the
other thread. I don't have an OM3 to test this on, and I don't have the
schematic, so this is a total guess and academic, unless someone wants to test
this for us.
Here's how to do it: Get a hot shoe to pc-sync adapter. These little blocks
just plug into the hotshoe and have a pc-sync connector on them and are cheaply
available at camera stores. Short out the newly added pc sync socket with a
small piece of thin solid wire plugged into it, and wrapped around outside of
connector or in contactact with camera frame. Hookup external flash **via the
OM3's own pc connector ** on the camera body. Remove batteries and trip the
shutter to see if it sets off the external strobe. Report back to us!
Whether this works all depends on whether the on body pc-sync is wired to the
hotshoe directly or through a mechanical switch timed to close when shutter is
open. So another way to test whether this has any chance of working at all, is
to take an ohmmeter and measure continuity between the on body pc-sync centre
pin and the hotshoe centre pin. If they are connected directly, then this idea
cannot work on an OM3.
Regards,
Tim Hughes
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