Joined on Oct 6, 2014


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cpt kent: Seems to be a lot of folks exclaiming brilliance without questioning. Sources? References? Research? Further reading?

I don't doubt shot noise. I am a little flummoxed by the lack of a mathematical formula converting EV and pixel size to a number of photons striking the pixel sensor. Shot noise only becomes important when the number of photons is below the tens of thousands, and (as a percentage) goes up as the inverse square root of the number of photons. I'd love to be able to calculate that.

I'm also flummoxed by the omission of all kinds of other noise that are probably as important, like thermal noise in the sensor.

Link | Posted on Apr 28, 2015 at 14:01 UTC
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