#1. "RE: Sb600 and Commander mode? " | In response to Reply # 0SRFast Nikonian since 22nd Dec 2004Sun 14-Jul-13 12:46 AM
When the camera's on-board flash is set in Commander mode, it is essentially turned off because it does not fire at fully intensity and is not the primary light source. The flash will fire a low/lower intensity flash because that is what triggers the remote flash unit.
Hope this helps...JL
45+ years of Nikon ownership and counting
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#2. "RE: Sb600 and Commander mode? " | In response to Reply # 1cporiger Nikonian since 29th Mar 2003Sun 14-Jul-13 10:51 AM
So it still flashes and that is as designed? I had the flash up as instructed and saw it flash but assumed it was full strength and not performing correctly.
Thanks for clearing that up.
#3. "RE: Sb600 and Commander mode? " | In response to Reply # 0
Nikon CLS wireless flash control uses flashes of light to communicate commands from the Master (Commander) to the remotes so you can't turn the Commander off completely.
In the camera menu under flash commander mode, you can set the built-in Speedlight to -- and it will fire at very low power not contributing to the exposure unless you are shooting at macro distances or very close to your subject.
You can eliminate that by placing an SG-3IR in the hotshoe to convert the White Light to InfraRed.
#4. "RE: Sb600 and Commander mode? " | In response to Reply # 0
I have the SG-3IR that totally eliminates that slight flash of the the built in when in commander mode. It's a little cumbersome and awkward to look at when mounted but it does the job.