D600 High ISO in DX

Started Nov 23, 2012 | Questions thread
Leo360 Senior Member • Posts: 1,141
Re: On random processes

noirdesir wrote:

Joofa wrote:

An interesting thing to note is that it is an established fact that the mean number of photoelectrons can be estimated as the mean number of photons x QE, therefore, (mean photons) = (mean photoelectrons) / QE.

Isn't that simply the definition of QE? Or at least the effective one used and calculated by everyone?

I think it is. Also QE can be interpreted as the probability of conversion of an individual photon. Assuming that the individual photons are absorbed independently one interpretation follows from the other.

Leo

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