How does the D3 achieve such high ISO?

Started Feb 17, 2008 | Discussions thread
DSPographer Senior Member • Posts: 2,483
Re: Who doesn't get it

Why quote read noise at minimum ISO? That just tells you about the maximum photosite level minus the A-D system DR. The read noise at high iso tells you about the sensor sensitivity. State of the art cameras have read noise of about 2.5 electrons independant of photosite size.

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