How Do I Measure Noise Using Photoshop? And What Is A Significant Change?

Started 2 months ago | Discussions thread
Currantos Regular Member • Posts: 307
Re: Correction

photonut2008 wrote:

Currantos wrote:

To summarize. ALL of the noise in the photograph is from the camera(lens/sensor/etc). None is from the "light" that comes in.

That's not correct. Photons arrive at the sensor randomly, and the lower the exposure the more deviation there is to that randomness. See:

yes, that's correct

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