Thanks for the info Clint! Next time I will know what to do. It was not a real
problam
as I had the OM-3 along as well and my daughter used that for the studio flash.
I
tested the PC socket today and it works fine with normal flash.
This discussion reminds me of a scathing attack on John Hermansons service
work, the
bulk of which centered around the fact that the repaired camera (an OM-1 I
believe)
would not fire studio flash!
Jim Couch
clintonr@xxxxxxxxxxxxxxxx wrote:
> The "N"'s (OM-1n and OM-2n) have a diode in the sync circuit so that the
> hot shoe is always X-sync even if the X-FP switch on the PC socket is
> accidentally set on "FP".
>
> The problem is that this polarizes the sync, so that current from the
> flash's PC cord has to flow in the proper direction through the camera.
> Some "pocket" flashes (mostly off-brands and a few Sunpack models) are
> wired "backwards" and won't fire reliably.
>
> But the big problem is the studio units, especially the ones with the
> "AC"-type plug for the PC cord that can be plugged in either direction,
> or with cheap-o or home-made PC cord extensions that are
> cross-connected. On the studio units, with the cord plugged in one way
> they work fine, but the other way they're unreliable. If that happens,
> try reversing the PC plug -- that may "fix" things.
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