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FORUMS General Gear Talk Flash and Studio Lighting 
Thread started 02 Feb 2010 (Tuesday) 20:04
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radio trigger sync speed inappropriately low?

 
rocker83
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Feb 02, 2010 20:04 |  #1

I feel most of my questions are dumb ones..so here is another!

just bought some radio triggers from calumet photo...They seem to have a better reliability than the ebay ones...albeit still made in china...
I noticed though...their sync speed is incredibly low...1/125th...
where as my camera is 1/250th...

should I honestly be bothered by this? or should I not care?
I feel it doesn't give me much breathing room for being wide open on a sunny day or to stop motion enough...

any input as to if this is a normal occurance with these china made triggers? Or should I look for something that matches my camera's sync speed..

Thank you!!


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gonzogolf
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Feb 02, 2010 20:19 |  #2

When you say their sync speed is low, is that the maximum speed you've been able to coax from them or some suggestion written on them? Some have reported that various of the hong kong triggers sync slower than their camera's max. Other have said it improved with a fresh set of batteries, they are often shipped with nearly exhausted demos.




  
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rocker83
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Feb 02, 2010 20:30 |  #3

the suggestion is 1/125th I can get it to 1/160th...after that...its no go I start seeing the shutter shadow....batter in the actual trigger were put in by me...i can try a new battery in the receiver...


_______________
I shoot Canon, I have some bodies, some lenses,and some lights. Photography is about the image not the L's that get you there. Though, feel free to send me your L's ;)
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gonzogolf
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Feb 02, 2010 20:33 |  #4

it might be worth a try with the new battery, but 1/160 may be your limit.




  
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rocker83
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Feb 02, 2010 23:14 |  #5

would you be happy with 1/160?


_______________
I shoot Canon, I have some bodies, some lenses,and some lights. Photography is about the image not the L's that get you there. Though, feel free to send me your L's ;)
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Jim ­ M
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Feb 02, 2010 23:29 |  #6

The receiver is where I first notice low batteries in my cheapo triggers. I can get 1/200 with fresh batteries, but I usually shoot at 1/160 just to be sure. The lower the battery power in the receiver, the slower the sync speed.




  
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breadandbutter
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Feb 02, 2010 23:34 |  #7

The shutter speed determines the amount of ambient light that comes in. So you don't need 1/160 or 1/250 as a max unless you are trying to kill ambient light.


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rocker83
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Feb 02, 2010 23:51 |  #8

yeah I get the control of ambient light...I am more interested in not having to deal with motion blur, I primarily shoot fashion models...and they rarely are running around but its nice to have that little increase in shutter speed if they are moving...


_______________
I shoot Canon, I have some bodies, some lenses,and some lights. Photography is about the image not the L's that get you there. Though, feel free to send me your L's ;)
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FlyingPhotog
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Feb 02, 2010 23:52 |  #9

Flash duration should freeze motion, not shutter speed...


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int2str
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Feb 02, 2010 23:59 as a reply to  @ FlyingPhotog's post |  #10

You haven't told us what kind of flashes/strobes you're using...




  
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rocker83
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Feb 03, 2010 00:11 |  #11

sigma ef dg 500 super and a vivitar 383..just two hot shoe flashes


_______________
I shoot Canon, I have some bodies, some lenses,and some lights. Photography is about the image not the L's that get you there. Though, feel free to send me your L's ;)
http://www.michaeljaco​bsphoto.com (external link)http://www.mikejbphoto​graphy.smugmug.com (external link)

  
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Veemac
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Feb 03, 2010 00:19 as a reply to  @ rocker83's post |  #12

I did a brief review of the Calumet radio triggers a while back (click on the word 'review' for the link). My experiences were pretty much the same - they would sync up to 1/125 with decent reliability, but above that wasn't good. Shortly after that post I got my Cybersyncs, and the Calumets are now in the bottom of my gear bag as a last-ditch backup. The Cybersyncs aren't that much more expensive and they work flawlessly.


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int2str
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Feb 03, 2010 00:22 as a reply to  @ Veemac's post |  #13

If you are looking for alternatives, my RF-602 triggers (around $30 for a SET) will sync to 1/250th on my 7D.




  
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rocker83
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Feb 03, 2010 00:27 |  #14

veemac...yes...the cybersyncs were on my list...
I am just always crunched for moola so thats what I ended up with....
oh well you live you learn...


_______________
I shoot Canon, I have some bodies, some lenses,and some lights. Photography is about the image not the L's that get you there. Though, feel free to send me your L's ;)
http://www.michaeljaco​bsphoto.com (external link)http://www.mikejbphoto​graphy.smugmug.com (external link)

  
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themadman
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Feb 03, 2010 00:30 |  #15

int2str wrote in post #9530212 (external link)
If you are looking for alternatives, my RF-602 triggers (around $30 for a SET) will sync to 1/250th on my 7D.

+1

Stop going off of assumptions like

"Because these cost less and are from ebay they must suck" and "because these are from a camera store and cost more, they must be good!"

Any amount of research would have shown many people have had wonderful success with the rf-602 cheapo ebay triggers from China. They also are stated to work up to 1/250 and they do!

Good luck with your other ones, can't help since I've never had em.

Cybersyncs, lol. A single transmitter or receiver costs more than a set of 1 transmitter and 3 receivers of the rf-602. Go blow more money away on overprices stuff if you want.


Will | WilliamLiuPhotography.​com (external link) | Gear List and Feedback | CPS Member | Have you Pre-Ordered Your 3Dx Yet? | HorusBennu Discussion | In honor of Uncle Steve, thanks for everything! 10-5-2011

  
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radio trigger sync speed inappropriately low?
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