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Forum: Pentax Camera and Field Accessories
11-25-2008, 08:20 AM
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Just wondering how you got on with this project, I was looking at using a laser with filter to autofocus, but to switch this on via a ttl switch linked to the digital pin on the hot shoe.
I quickly put a meter over the hotshoe digital pin and found that it is triggered via the AF. However it seems to only trigger once. Does anyone know if it requires any of the other pins to be connected so that it resets. Or is this all done via the protocol that it transmits?
Cheers
Dan
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