Thanks John for explaining that little feature on the t20. I learn
something new every day. However, I tried it and it won't fire the t20
either. But it fires the old toshiba 216 flash just fine.
I did have the flash set to the x position when trying the pc
connections, and also tried the flashes on the fp position just to see
if maybe they'd work. But they didn't.
Wayne Culberson
"John A. Lind" wrote:
>
> At 17:45 12/8/01, Wayne Culberson wrote:
> > I have a t20 flash but I hesitate to try it on the OM1 as it doesn't
> >look as though the shoe 1 will insulate the extra 2 connection pins, and
> >I'm not sure what the consequences of that would be.
> >Thanks, Wayne Culberson
>
> Wayne,
>
> You can use your T-20 in a Shoe 1 on the OM-1 in "Normal Auto" or "Manual"
> modes as you would with your OM-10. Obviously there's no "flash ready" in
> the viewfinder nor can the "TTL Auto" be used either. Ensure the flash
> sync switch on the OM-1 is in the "X" position!
>
> Look at the foot on your T-20. Along with the three metal pins, there
> should be a plastic one forward of them. Push on it. You will notice that
> it retracts the two forward metal pins for "flash ready" and "flash
> quench." The main center pin for "flash trigger" is not affected. The
> purpose of this plastic pin is to keep them from shorting out in a hot shoe
> with only a center contact.
>
> If you look at the hot shoes on your OM-10 and OM-PC, you will see a small
> depression, or hole, forward of the contacts. This keeps the plastic pin
> from being depressed and allows all the pins on a "T" series flash to
> connect with the hot shoe contacts. If you look at your Shoe 1, you'll
> notice this "hole" is missing. The Shoe 1 will retract the two extra pins
> and keep them from shorting to the shoe.
>
> -- John
>
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