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FORUMS General Gear Talk Flash and Studio Lighting 
Thread started 23 Feb 2010 (Tuesday) 01:12
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Flash Triggering Question

 
Suddie1215
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Feb 23, 2010 01:12 |  #1

On a camera with both a hotshoe and a PC terminal; is it possible to fire a hotshoe-mounted flash, and trigger a trasmitter like a Cybersync connected to the PC terminal simultaneously?

Or another permutation, is it possible to sync multiple flashes via the PC terminal and fire a hotshoe-mounted flash at the same time?

Thanks for your insight.




  
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ntc3
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Feb 23, 2010 03:18 |  #2

I don't have cybersyncs, but I know you can do this with pocketwizards (they show this in their manual). I've done this with a 580ex on camera hotshoe and a pocketwizard plusii connnected to the pc sync port.




  
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stateman
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Mar 16, 2010 12:55 as a reply to  @ ntc3's post |  #3

Bump...

Kinda curious myself what I would need to trigger the Cybersync transmitter using the PC Terminal. Since the transmitter doesn't have any jacks on it (don't recall any but will check tonight), would I need a hotshoe adapter and then a particular cord to connect to the PC Terminal on the camera?

That way could keep a hotshoe flash in ETTL and have remote manual flash using the transmitter? Apologize if that sounds like a nonsensical request...but the question intrigued me for some reason.



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Big ­ Mike
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Mar 16, 2010 13:27 |  #4

The CST(B) transmitter does have a 2.5mm sync jack.


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psxindo
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Mar 16, 2010 13:36 |  #5

if the transmitter have a sync port, then it is possible to use both the camera's pc sync port and hot shoe. I've been doing this using ebay trigger, v2 and ctr 301p.

if the transmitter doesn't have a sync port, you would need a hotshoe adapter with sync port.


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stateman
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Mar 16, 2010 17:14 as a reply to  @ psxindo's post |  #6

Thanks...I'll check my CST tonight...didn't remember a jack, but I'll check



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runninmann
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Mar 16, 2010 18:11 |  #7

stateman wrote in post #9808161 (external link)
Bump...

Kinda curious myself what I would need to trigger the Cybersync transmitter using the PC Terminal. Since the transmitter doesn't have any jacks on it (don't recall any but will check tonight), would I need a hotshoe adapter and then a particular cord to connect to the PC Terminal on the camera?

That way could keep a hotshoe flash in ETTL and have remote manual flash using the transmitter? Apologize if that sounds like a nonsensical request...but the question intrigued me for some reason.

stateman wrote in post #9810038 (external link)
Thanks...I'll check my CST tonight...didn't remember a jack, but I'll check

Trust us, it's there.


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Titus213
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Mar 16, 2010 18:46 |  #8

The original Cybersync transmitter did not have a port on it.


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stateman
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Mar 16, 2010 19:47 |  #9

Titus213 wrote in post #9810497 (external link)
The original Cybersync transmitter did not have a port on it.

I have the older one...and can now confirm that I do not have a port...but it appears a simple hotshoe adapter will get me there.

Thanks



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Titus213
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Mar 16, 2010 20:26 |  #10

stateman wrote in post #9810888 (external link)
I have the older one...and can now confirm that I do not have a port...but it appears a simple hotshoe adapter will get me there.

Thanks

Yup, that should work.


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SkipD
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Mar 16, 2010 21:03 |  #11

Suddie1215 wrote in post #9663430 (external link)
On a camera with both a hotshoe and a PC terminal; is it possible to fire a hotshoe-mounted flash, and trigger a trasmitter like a Cybersync connected to the PC terminal simultaneously?

Or another permutation, is it possible to sync multiple flashes via the PC terminal and fire a hotshoe-mounted flash at the same time?

Thanks for your insight.

If you figure out how to get the off-camera stuff triggered, you will find that you MUST have the on-camera flash unit set for MANUAL operation, and not ETTL. If you have the on-camera flash doing its normal ETTL thing, there will be some serious problems - either caused by the preflash or caused by the remote flashes blowing out the exposure calculated by the camera/flash in ETTL mode.


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PacAce
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Mar 17, 2010 12:04 |  #12

SkipD wrote in post #9811387 (external link)
If you figure out how to get the off-camera stuff triggered, you will find that you MUST have the on-camera flash unit set for MANUAL operation, and not ETTL. If you have the on-camera flash doing its normal ETTL thing, there will be some serious problems - either caused by the preflash or caused by the remote flashes blowing out the exposure calculated by the camera/flash in ETTL mode.

E-TTL should work fine as long as the remote flashes as used for hair or background lighting, and not used to light the main subject. Since anything triggered via the PC port on the camera will only fire when the curtains are fully open, they will not affect the preflash reflected back to the camera to determine the E-TTL flash exposure.


...Leo

  
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runninmann
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Mar 17, 2010 15:36 |  #13

Titus213 wrote in post #9810497 (external link)
The original Cybersync transmitter did not have a port on it.

I didn't know that!


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Flash Triggering Question
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