Why is D90 betten then D300s at DxOMark Sensor test?

Started Jan 4, 2010 | Discussions thread
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cluna Senior Member • Posts: 1,403
Re: Why is D90 betten then D300s at DxOMark Sensor test?

olyflyer wrote:

Exactly. And before the signal is passes into the A/D converter it is filtered from electrical CMOS noise to make it as clean as possible already at that stage.

Incorrect. Per pixel noise reduction occurs at the CMOS level as a part of quantization (IE: A/D conversion).....This isnt a CCD system we are discussing, which has a post quantization NR step

-C

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