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Old 07-02-2007, 11:05 AM
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rogerg (Roger)
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QE of EOS 350/400D Chips

Does anyone know the QE of the Canon EOS chips ? It'd be interesting to compare to that of SBIG CCD's.

Thanks,
Roger.
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Old 15-02-2007, 12:14 AM
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Gama
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This is so hard to find, countless people have attempted and tried to obtain.
There has been some figures given, but not 100% verified by any data from the manufacturer.

Figures of QE's as high as 40% for the 5D, which is pretty good, as it loses 20% in the debayer process, so really around 70% if it was mono.

QE's of 30% for the 300's and 350's, and the 20D up to about 40% as well.

Like i said take it with a grain of salt, these are not verified, but overall from many many peoples averages.
Again, they lose 20% in the debayer process, and show just how much closer CMOS is comming to compete with Astro cameras.

But its got a long way to match this http://www.fairchildimaging.com/prod...ea/ccd_595.htm

Oh my GOD, OH MY GOD !, just need a way to fit it inside a LPI !.
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