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FORUMS General Gear Talk Flash and Studio Lighting 
Thread started 11 Sep 2013 (Wednesday) 01:32
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Einstein as optical slave?

 
pstyle1
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Sep 11, 2013 01:32 |  #1

Can the Enistein or AB's be used as optical slaves? I'd like to be able to use my 600EX RT systems independently, and add in a strobe if needed. Since the 600EX RT's are RF, there won't be a preflash (in M mode) that would interfere, so you should be able to use strobes triggered by the 600's. Are the Einsteins or AB's capable of this, and if not, which strobes are?

Thanks


5D MkIII x2 + a lot of L's.
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dmward
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Sep 11, 2013 01:40 |  #2

The optical triggers on the Einsteins work. I've never tried using them with 600EX-RTs in manual mode.
In theory you have it right, but it would be a good idea to confirm with some testing. :-)

I have both but it will be a couple of days before I have time to do any testing.


David | Sharing my Insights, Knowledge & Experience (external link) | dmwfotos website (external link)

  
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kickmaster
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Sep 11, 2013 08:55 |  #3

Both are.


Canon Forever! 5D III, 1DX, L Primes & Zooms, Kino-Flo, Einsteins, Interfit's, Diva Ringlight, Phottix Indra 500 TTL, Interfit S1's..... Full studio....

  
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draderusa
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Sep 11, 2013 09:12 as a reply to  @ dmward's post |  #4

If the optical triggering proves unreliable you could also go with an all radio setup by getting a pair of Phottix Strato II manual triggers to fire the strobe.

http://www.phottix.com …ttix-strato-ii-multi.html (external link)

They offer full TTL passthrough from the camera, so a master 600EX-RT or ST-E3-RT would work mounted on top of the trigger just as it would if mounted directly to the camera. You would retain full 600EX operation including group mode. The strobe of course would just be manually triggered by the Strato Tx. Of course a handheld PCB Cyber Commander would give you remote control of the strobe as well if desired.

The only thing to be aware of with a setup like this is that you can easily turn the remote strobe firing on and off merely by turning the trigger power switch on or off. This would allow you to fire your 600's by themselves without the strobe contributing to the exposure. You can not however fire the PCB strobe, or any other flash triggered by the Strato, when all your 600's are set not to fire. If the 600's are disabled the camera doesn't send a fire signal to the hotshoe. Since the camera does not realize the manual trigger is there it thinks no external light source is supposed to fire.


Dave
EOS 7D Mark II, EOS T4i -- EFS 18-135 STM, EFS 10-22 USM, EF 40 f2.8 STM, EF 50 f1.4, 600EX-RT (3), YN-E3-RT, AD-360, FT16 (2), YN560II, YN622C (4), YN622C-TX

  
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pstyle1
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Sep 13, 2013 00:23 |  #5

dmward wrote in post #16287054 (external link)
The optical triggers on the Einsteins work. I've never tried using them with 600EX-RTs in manual mode.
In theory you have it right, but it would be a good idea to confirm with some testing. :-)

I have both but it will be a couple of days before I have time to do any testing.

Thanks to all for the advice. dmward, do report back if you get a chance to test :)


5D MkIII x2 + a lot of L's.
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Einstein as optical slave?
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