f-number equivalent between m43 and FF

Started Mar 25, 2014 | Discussions thread
Mark Scott Abeln
Mark Scott Abeln Forum Pro • Posts: 10,702
Re: f-number equivalent between m43 and FF

goshigoo wrote:

I do agree with this statement on the meaning of f-number, but it is confusing since it is the format + f-number which determines the amount of light captured by a picture, which accounts for the final Signal-to-noise ratio of a picture

Well, the actual amount of light is determined by the T-stop, not the f/stop. If you have a complicated lens, quite a bit of the light might not make it all of the way through the lens.

 Mark Scott Abeln's gear list:Mark Scott Abeln's gear list
Nikon D200 Nikon D7000 Nikon D750 Nikon AF-S DX Nikkor 35mm F1.8G Nikon AF Nikkor 50mm f/1.8D +2 more
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