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FORUMS Canon Cameras, Lenses & Accessories Canon EOS Digital Cameras 
Thread started 19 Oct 2012 (Friday) 00:13
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Second Curtain Flash Fires Twice

 
morph2_7
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Oct 19, 2012 00:13 |  #1

I have a quick question. My Rebel T2i/550D built-in flash fires twice when I set Shutter Sync to second curtain. I thought second curtain flash is supposed to fire once, right before the rear curtain closes.

Is this normal behavior or is there something wrong with my camera?




  
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5D3CanonGirl
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Oct 19, 2012 00:16 |  #2

In TTL mode, the camera fires the 1st time to meter, then the 2nd time to take the picture. This actually happens even with 1st shutter sync, but the two flashes happen so fast, one doesn't notice it.




  
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morph2_7
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Oct 19, 2012 01:02 |  #3

I should've read the user guide before asking. It does say 2nd curtain fires the flash twice. Thanks for your confirmation anyway.




  
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5D3CanonGirl
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Oct 19, 2012 01:08 |  #4

You're very welcome! BTW, when using 2nd shutter flash, it's a good idea to warn those being photographed that there'll be two flashes of light, as sometimes people notice the 1st flash and assume the picture was taken. Hope you have a wonderful time taking pictures!!! :-)




  
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Second Curtain Flash Fires Twice
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