One item that hasn't been mentioned is the physical size of these chips.
A DSLR chip is about 25.1 x 17.6mm
The KAF8300 is 17.9 x 13.5mm
The ICX694 is 12.5 x 10mm
Thats a lot of light shooting past that Sony chip, it has effectivly halved your aperture, compared to your DSLR.
Regards
Bill
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