Sigma EF-530 DG Super Problem -- Flash and Studio Lighting in photography-on-the.net forums

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May 07, 2009 19:47 | #1

Hi gang, I have what appears to be a problem with this flash. Everything works as expected in all of the camera settings modes (EOS 50D) except the Av mode. For some reason, the camera sets the shutter to a very slow speed regardless of the aperture or ISO I choose. This is in E-TTL mode, by the way. And yes, I did have Sigma update to the latest firmware for the 50D.

I"m hopeful I'm just missing something obvious here and I don't have to send this back to Sigma again for additional updates. Any thoughts?

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tim

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May 07, 2009 20:57 | #2

PEBKAC

Av mode meters for ambient, the flash is set for fill. Use manual mode when you're using flash, unless you want just fill.

Read the FAQs in this forum to learn how to use your flash

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Curtis N

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May 07, 2009 21:30 | #3

Flash Photography 101, Flash Fact #4.
https://photography-on-the.net/forum/showthread.php?t=171657

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joemusic321
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May 07, 2009 21:50 as a reply to @ Curtis N's post | #4

Thanks for the replies, guys and for the link. Most helpful.

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