Archive 2009 · What if

JakobK
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p.1 #1 · What if

Hi Fellow FM�s.

Just one simple question:

What happens IF I dial down my exposure on my 20d, lets say, one stop AND dial up my flash 430ex one stop. What does the camera do?

Will it result in

1. A flash dominated exposure (flash compensating for the one stop down dialing on the ambient light) ?

or

2. Does the flash just dial one stop up from the "normal" light level metering in the camera?

Any responds on the subject would be appriciated!

I have not tested it - yet. But I am primarly interested in the "logic" the camera uses.

Kind regards
Jakob

Oct 21, 2009 at 12:41 PM

aborr
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p.1 #2 · What if

On Canon DSLR's the exposure compensation (EC) and flash exposure compensation (FEC) settings are independent. Dialing in EC affects exposure for ambient light only; it doesn't affect the flash output.

A general tutorial on flash and EOS cameras:
http://photonotes.org/articles/eos-flash/

Oct 22, 2009 at 01:44 AM

JakobK
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p.1 #3 · What if

Arborr, thanks for the info and link!

Cheers
Jakob

Oct 22, 2009 at 03:31 PM


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