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Ex2F : when F1.8 just wont cut it

Started Jul 30, 2016 | Discussions thread
norman shearer Senior Member • Posts: 1,418
Re: Ex2F : when F1.8 just wont cut it
1

tecnoworld wrote:

oh ok.

But in the first?

I'm not sure about the first post. The EX2F is 7.60 x 5.70mm vs APS-C which is 23.60 x 15.60mm. That's closer to 3 stops than 4. So F2.8 rather than F4 is the equivalent?

I'm not sure if equivalency is all about sensor size though? Doesn't sensor efficiency and megapixels also play a part?

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