F Stops

Started Aug 11, 2012 | Discussions thread
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Shane Burton
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F Stops
Aug 11, 2012

If I go from f/4 to f/5.6 then am I halving the light? If I go back from from f/5.6 to f/4 then am I doubling the light?
If this is true does the same principal apply to shutter speed and ISO as well?

Sorry I'm having a time getting this in my thru my thick head.

God Bless All !!

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