How does the D3 achieve such high ISO?

Started Feb 17, 2008 | Discussions thread
Shaun_Nyc Senior Member • Posts: 2,321
Re: Do your own testing, please

Marianne Oelund wrote:

Honor wrote:

The Canon 1Dm3 sensor has better high ISO than the Nikon D3. period.

I own both cameras, and have tested both extensively. I do not rely
on other's test results, which are too easy to misinterpret.
Fact #1: Quantum efficiency is significantly higher on the D3,
yielding greatly reduced shot noise.
Fact #2: Read noise levels are nearly the same on the two cameras,
across the ISO range.
Fact #3: The D3 has in-camera NR which significantly improves IQ of
its JPEG output.
The result: The D3 is superior across the board, in its RAW output,
and its advantages regarding JPEG output are even greater.

Is nef even a true raw file ?

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