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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