Quote:
Originally Posted by Bassnut
Ive never seen an explanation why the QE is so low on OSCs. An external filter on a mono has a pass of some 95% or higher at the filtered frequency so dosent affect QE much of the sensor, but the OSCs on-chip filters seem to dump the QE, is the filter "film" or whatever much less efficient on a OSC?, I guess so, must be.
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Fred, I think the Bayer filter was engineered to match the color response of the eye, which is poor away from green, and of course it's probably cheaper to make them low transmission so a happy coincidence for the manufacturer. So you could say they are bad for astronomers on purpose!
EB