A reminder for some memebers as to what the F stop is all about.

Started Jan 26, 2014 | Discussions thread
bobn2
bobn2 Forum Pro • Posts: 62,184
Re: A reminder for some memebers as to what the F stop is all about.
1

windsprite wrote:

Messier Object wrote:

I don't often agree with Bob, however one needs to consider that the image made with the larger sensor and the 2x longer lens shows the same scene, but has been generated from 4x as many photons.

Why don't you often agree with Bob, then? The above, or some derivative of it, is basically all he ever says.

I don't know, sometimes I've been known to say 'who's buying the next round?'.

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Bob

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