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FORUMS General Gear Talk Flash and Studio Lighting 
Thread started 10 Jan 2011 (Monday) 19:09
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Einsteins and Radiopopper Jrxs

 
pixelmorph
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Jan 10, 2011 19:09 |  #1

I'm sorry if this is a repeat, but I've searched and can't seem to find an answer...

Simple - Can I trigger Einsteins with Radiopoppers, PX or Jr version?

Thanks!




  
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kenyee
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Jan 10, 2011 20:30 |  #2

yes w/ the Jrx, but no power control. I keep pestering the radiopopper folks but no eta or update on how far they've gotten :-(


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pixelmorph
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Jan 11, 2011 01:44 |  #3

Thanks Kenyee. Boooo. I guess I'll be switching to CC once my Einsteins come in. Atleast I'll get plenty of practice with the RPs.... maybe I'll keep them to use on my speedlights :T




  
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dmward
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Jan 11, 2011 12:36 |  #4

I suspect reverse engineering the interface between the CSXCV module and an Einstein 640 will be quite a bit tougher than the simple analog slider interface required to control the ABs.

I have been doing a shoot using 3 Einsteins and the CC. adjusting power on individual lights and then on the whole group is so nice. Sure makes running from light to light seem like a huge waste. :-)


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kenyee
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Jan 11, 2011 14:42 |  #5

You can always connect the RP to the CC's pc sync socket to get control of speedlights and einsteins...gaffer tape the two together. It'll look ugly but work fine.
Keep bugging the radiopopper folks ;-)a
IMHO a digital interface should be easier to reverse engineer...the analog interface was done using opamps...


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dmward
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Jan 11, 2011 16:14 |  #6

For the digital interface one will have to reverse engineer the protocol and command structure used.
Thats more than putting a couple of op amps into a circuit. :-)


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kenyee
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Jan 11, 2011 16:36 |  #7

this is true :-)
I've done digital reverse engineering but not analog :-)


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MarkyRB
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Jan 11, 2011 21:01 as a reply to  @ kenyee's post |  #8

When the CSXCVs are plugged into the Einsteins, are the 1/8" sync ports still active? I was thinking of using the CC to control the Einsteins via the CSXCVs, and then trigger them with the JrXs using the sync ports. Would this work?




  
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dmward
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Jan 12, 2011 08:48 |  #9

Have no idea, I'll have to give it a try. Seems kind of cluggy. Why not just connect a junior to the CC and let it fire the Einsteins.


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MarkyRB
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Jan 12, 2011 09:51 as a reply to  @ dmward's post |  #10

Yeah, I was thinking it would be cludggy, but I wanted to keep the sync speed up. I read that the sync speed lowers when triggering using CC via the JrX or PW.




  
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dmward
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Jan 12, 2011 10:00 |  #11

If the sync speed lowers its the JrX that is causing it. I routinely have my 5D2 at 1/200 shooting with Cyber Sync. I have found in the past that I had to have the shutter speed at 1/160 on a 5D with PW. The Control TL stuff I have works at 1/200 with Einsteins or ABs.

I also can shoot at 1/200 with FR-602s and Savage monolights. Reduced sync speed with radio triggers is generally caused by propagation and processing delay induced by the radio trigger. Sometimes battery freshness has an impact as well. Depending on the trigger.

Using two trigger systems in series would make the delays additive, so there is a potential for it requiring a longer shutter time.


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bobbyz
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Jan 12, 2011 10:20 |  #12

dmward wrote in post #11619792 (external link)
For the digital interface one will have to reverse engineer the protocol and command structure used.
Thats more than putting a couple of op amps into a circuit. :-)

Actually I think both interfaces will have some protocol. The phone jack thing wasn't driving any op-opms, I bet some commands going through the wire from earlier AB remote controller to the ABs. RP just decoded that which shouldn't be that hard to do.

Maybe now with Einstein and Paul's working with PW, he may have some lawyer tell RP folks not to do this again.


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wallybud
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Sep 08, 2011 16:06 |  #13

Now that PW had a receiver for the einstein does that mean paul will introduce a RP one as well. Or is it the complete opposite :(?


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EdW
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Sep 08, 2011 18:35 |  #14

We don't know if PCB has any kind of exclusive contract with PW on the Einstein. I'm guessing that they do but I'm hoping that I'm wrong. I like my RP JrX system a lot with the power level control. At least the JrX system will work with PCB's old line of strobes.




  
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wallybud
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Sep 08, 2011 19:20 |  #15

They dont i just got an email saying pw made the receiver on theyre own and the warranty etc is all through them. Pcb just is allowing them to sell it on the site. Just got an email from them. I guess that doesnt mean anything officiall contract wise but theres hope :)


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Einsteins and Radiopopper Jrxs
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