1 electron = 1 photon?

Started Apr 12, 2013 | Discussions thread
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Bernard Delley Contributing Member • Posts: 593
QE: 1 photon -> ~0.6 electron

The quantum efficiency calculations in this earlier post my be of interest

http://www.dpreview.com/forums/post/40237422

summary in practice, a photon near mid green coming in at the front of the AA/Bayer/sensor stack will be converted to an electron with a probability of up to about 0.6 depending on the camera. (a fraction of the photons is absorbed in the Bayer colors)

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