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FORUMS ➔ Cameras, Lenses & Accessories ➔ Canon Digital Cameras 
Thread started 16 Jun 2008 (Monday) 05:01
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Why might my second curtain sync make two flashes?!

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meady100
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Jun 16, 2008 05:01 |  #1

Hi All,

Just messing with second curtain sync in my custom functions of my 450d. I had expected it to flash at the end of a longer exposure but to my surprise it now flashes at the beginning and end when in TV mode - not the desired reult at all!! Can anyone help me please? Thank you!!

Steve




  
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Mark ­ Vuleta
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Jun 16, 2008 05:47 |  #2

First flash will be the pre-flash for the ETTL, set your flash to manual in 2nd curtain and you wont see the pre-flash. The pre-flash is before the mirror goes up so it wont affect the picture but can make people blink.




  
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Cadwell
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Jun 16, 2008 05:49 |  #3

Yes, the first flash is the flash-metering pre-flash.

Glenn
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meady100
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Jun 16, 2008 05:50 |  #4

You are a God! Thanks for the lesson :D




  
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Why might my second curtain sync make two flashes?!
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