UVDan opened this issue on Nov 15, 2010 · 7 posts
UVDan posted Mon, 15 November 2010 at 12:27 AM Forum Moderator
To start things off here is a home made slave flash trigger circuit I made in the 80's and encased in a piece of screwdriver handle plastic. The small Vivitar flash has hook and loop material like velcro in several places to allow the slave trigger to attach there as it also has hook and loop material on it. In this shot the slave triggers the flash when the camera flash goes off to eliminate the shadow cast by the flash on the background, a recently painted bathroom door on sawhorses.
The circuit is a Light Activated Silicon Controlled Rectifier and a 1,000 Ohm resistor.
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