Equivalence query

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Adrian Harris
Adrian Harris Veteran Member • Posts: 4,910
Equivalence query

Recently a lot of m43 moaners when talking about brightness and or depth of focus, have been saying that an m43 fitted with a f2.8 is really only equivalent to an f5.6 on a FF camera.

Whereas my understanding tells me f2.8 on a small m43 should actually be equal (in those terms stated above) to an f4.0 on a big DSLR.

Which is one stop!

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