Question About Lighting Ratios with Canon Speedlites.

Started Sep 28, 2007 | Discussions thread
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Question About Lighting Ratios with Canon Speedlites.
Sep 28, 2007

Just purclhased and received my Canon 580II, already had to 430's.

I am absolutely falling in love with the wireless flash features. Can't believe I've been missing this all along. I'm sure my alien bees are going to see less use now.

I'm sure I'll be having many questions as I practice more with this setup... my first question however is when setting the ratios say to 4:1 what is actually happenning?

Are you bumping the power up on the A group or decreasing power output on the B group. The manual doesn't REALLY tell you, it just states that more power will come from the A group then the B.

Anyone know or am I just looking at this completely wrong. You would think the B group would receive a power decrease to keep the A group from over exposing... right?

Thanks in advance,

P.S. if you have any helpful tips for shooting with wireless speedlites, please do share.

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