Using Sony F20M on A7r as Flash Controller for Off-Camera Sony F43M Setup + TTL

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LBJ2
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Using Sony F20M on A7r as Flash Controller for Off-Camera Sony F43M Setup + TTL
6 months ago

Anyone else using Sony F20M on A7r as Flash Controller for Off-Camera Sony F43M Setup? Seemed too to simple to set up so am asking for confirmation on my settings below:

  • On the A7r with the F20M attached I set the camera's Flash setting set to Wireless.
  • Set the F43M to Wireless (WL) CH1 and RMT ( seems I can also use RMT2).

I chose to attach the F43M flash to my tripod and handheld the A7r/F20M to test this out. All seems to work fine with TTL enabled and functioning.

When used as the on-camera controller and with the above setup, the F20M still seems fire along with the off-camera F43M. The F20M doesn't seem to fire at full power but does fire is this normal ?

Thanks in advance for any suggestions/advice.

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Sony a77 II
Sony Alpha 7R
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