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P3D Details on synchronizing XR-10M shutters


  • From: "Jim Harp" <matmail2@xxxxxxxxxxxxx>
  • Subject: P3D Details on synchronizing XR-10M shutters
  • Date: Mon, 20 Sep 1999 10:21:38 -0600


>I Wrote:
>>     This spring I bought two Ricoh XR-10M cameras with 50mm lenses from
>> Cambridge Camera in New York- the whole package cost about $400...

>Peter Davis wrote:
>Can you send me, privately if necessary, the details of how you got
>the shutters wired?  Did you use some diodes or something to prevent
>"cross-talk" between the two cameras?
>snip
>I have two Ricoh Shotmasters for which I'm now re-building the shutter
>cable for the umpteenth time, and I'd like to make something simple
>and durable.  I'm assuming the electronic shutter circuits are the
>same on the XR-10M as on the Shotmaster.

I'm not familiar with the Ricoh Shotmaster, but I'm happy to tell you
exactly what I did with the XR-10s, even though I think it's a bit simpler
technically than what you're doing.  The XR-10M has a 3/32" "remote control"
jack for firing the shutter with a remote shutter release.   Radio shack
sells an assortment of "wall-wart" AC adaptors with various voltages and
plug sizes supported. They also sell a Y adaptor to allow two plugs to
branch off of one AC adaptor.   The size E plug matches the Ricoh's 3/32"
remote jack.  To synchronize the shutters I bought the Y adaptor, attached
an E size plug to both of the two male ends (making sure that the polarity
of both connectors was identical) and connected the resulting wire between
the two cameras.  When one shutter is pressed with this connection made, the
other one fires pretty much at the same time.   To eliminate camera shake I
decided to try a remote shutter release- I couldn't find a dual electronic
release, but splicing the wires from a single release into the female end of
the aforementioned Y jack worked perfectly, and the shutters now fire in
perfect synchronization as far as I can determine.   Another tip about this
setup is that you should avoid sticking the remote plug into the mid-roll
rewind button which is directly above the remote jack.  Yet another lesson I
learned the hard way.
Jim Harp