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FORUMS General Gear Talk Flash and Studio Lighting 
Thread started 14 Oct 2007 (Sunday) 21:40
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Trouble with ebay triggers.

 
shooterman
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Oct 14, 2007 21:40 |  #1

I'm using the cheap ebay triggers, These. I set my camera on 1/250 shutter speed, ISO 100, and aperture depending on the exposure. Sometimes...alot, actually, when I take a shot, all I get is a black screen. The flash is definitely firing. Something isn't syncing correctly. I thought my camera was going nuts but narrowed it down to the ebay trigger/receiver, as I stuck the flash and umbrella next to a desk lamp and fired a shot and all I picked up was the ambient light from the desk lamp. Any ideas? Just the nature of cheap triggers? Should I send it back to Gadget Infinity and ask for a new one?
Oh, and sometimes it works fine.

thanks, Randy


Randy
| Canon 5D Classic | Canon 30D | Canon EF 40mm F2.8 | Canon 70-200 L F4 | Tamron XR DiII SP 17-50 F2.8 | Elinchrom D-Lites | Calumet Genesis 200 | Elinchrom EL Skyports | 27" 5K iMac |

  
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cosworth
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Oct 14, 2007 21:48 |  #2

The sync speed is not as advertised. Try 1/200th and slower.


people will always try to stop you doing the right thing if it is unconventional
Full frame and some primes.

  
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Inspired ­ Photography
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Oct 14, 2007 21:53 |  #3

Yeah i agree. Many are actually 1/125th or something like that...

I use Alienbees triggers (want PWs but the AB ones work), and don't have any trouble at all.
Can't say anything about the eBay triggers, but Strobist people rave about them.

Rob


Robert Bell - Inspired Photography (formerly "Inspired Graphix" [and "Shooter-Boy" a long time ago])
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moshe3242
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Oct 14, 2007 22:13 |  #4

I use the same ones and i shoot at 1/250.
never had any problem with them regarding sync. I use 30D and very happy with this trigger.


Canon 1DS MARK III,Canon 5D mark II,Speedlite 430EX, 24-105L, 70-200L f/4, 50 mm f1.8, Canon 85 1.8

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Lotto
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Oct 15, 2007 00:38 |  #5

I know that when my eBay set drops the the sync speed below 1/100, it's time to change batteries.


5D, 24-105L, 70-200L IS, 85mm Art, Godox

  
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FlashZebra
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Oct 15, 2007 01:09 |  #6

I'm with Lotto,

This MIGHT be the problem.

Check the battery in the transmitter. A marginal transmitter battery often causes the sync speed to creep slower and slower. But, it could be something else also.

Here is a short tip on how to change the transmitter battery.

http://flashzebra.com …vetransmitter/i​ndex.shtml (external link)

Enjoy! Lon


*
http://flashzebra.com/ (external link)
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colincapurso
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Oct 15, 2007 02:29 as a reply to  @ FlashZebra's post |  #7

I've got a few of these, can't get anything better than 1/160




  
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ueb0258
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Oct 15, 2007 08:43 |  #8

If you are using the batteries that shipped with them I would suggest changing them with new ones. I dont have the same ones. I bought the 4 channel set but the batteries that were supplied with them were completely shot. I couldnt get them to work at all.




  
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Jim ­ M
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Oct 15, 2007 08:55 |  #9

I have a four channel one that I got about a year-and-a-half ago. Low batteries in the receiving unit will do exactly what you describe. With fresh batteries I can shoot at 1/250th, although I don't just to be safe. With old batteries, I'm lucky to get a sync at 1/60. Also, remember that just because it's new, doesn't mean it's right. That can apply to anything, including batteries and Ebay radio control receivers.




  
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Titus213
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Oct 15, 2007 09:17 |  #10

shooterman wrote in post #4126660 (external link)
These are brand new so hopefully the battery in the transmitter is still good. I also have 2 receivers and playing around again last night the problem only occurs with the one reciever. I think will change the batteries in it and see what happens. If that doesn't take care of it I'll send it back for a new one. Thanks all.

I've read many posts about these units arriving with near dead batteries.


Dave
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GordonSBuck
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Oct 15, 2007 11:39 |  #11

With Canon G3, 1/500 second and sometimes a little bit quicker.


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bdavisx
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Oct 15, 2007 22:40 |  #12

Shooter-boy wrote in post #4124647 (external link)
Can't say anything about the eBay triggers, but Strobist people rave about them.

Rob


I think you'll find strobists both rant and rave about them depending...
Not everyone is a fan.


Bill Davis, Photography by Howard's End - Central Illinois (Bloomington, Peoria) Wedding, Portrait, Boudoir and Senior Photographer (external link)

  
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tim
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Oct 15, 2007 23:25 |  #13

I thought the Canon advertised sync speed is with a speedlite, or a wired strobe. Radio signals incur latency, so you need a slightly slower shutter speed. Go with 1/125th.


Professional wedding photographer, solution architect and general technical guy with multiple Amazon Web Services certifications.
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Trouble with ebay triggers.
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