Sony A850 and Soy Flash HVL 43AM

Started Jul 15, 2013 | Discussions thread
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Richard Cooper
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Sony A850 and Soy Flash HVL 43AM
Jul 15, 2013

My Sony Flash HVL-43AM is in the hot shoe of the A850 and the flash is set to TTL.

A pre flash is sent for correct exposure.

Now I set the on camera HVL 43AM flash to ctrl mode to control another off camera HVL 43AM that is also set to TTL.

A pre flash is sent by the on camera HVL 43AM to the off camera HVL 43AM and the off camera also sends out a pre flash.

Finally the question. Can I turn off the on camera HVL 43AM flash and still have it signal the off camera HVL 43AM so it sends out a pre flash? The purpose is to keep the on camera flash from sending out a pre flash and only the off camera flash sending out a  pre flashing.

Sony Alpha DSLR-A850
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