Aperture size versus format question

Started Mar 13, 2013 | Discussions thread
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Waterengineer Contributing Member • Posts: 872
Aperture size versus format question

Can someone please direct me to the equation(s) of aperture size versus sensor (and film) formats.

For example in APC-CMOS format what does a f/4 correspond to in, say a MF environment to result in the same DOF.

I tried to Google an answer, but I didn't come up with much.

Thanks for the help ahead of time.

- Craig

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