Thanks Darren. It's coming along bit by bit.
Alistair. I have read slightly different explanations of read noise. For CMOS it goes something like this. CMOS LSDs are active and contiually readout with their own amplifier and circuitry, hence microlenses focussing on the fill factor, the light sensitive area of the pixel aside from the circiutry in the pixel generating the noise. CCDs are different, but for now that's another article to read.
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