More MPs does NOT = More Noise

Started Apr 3, 2012 | Discussions thread
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Higher pixel density = More Noise per pixel
In reply to Fave Photog, Apr 9, 2012

Fave Photog wrote:

When comparing the performance of a 12MP sensor to a 36MP sensor, the 12MP file needs to be up-rezzed to 36MP. Funny what happens when you do that!

Detail/noise are altered by downsampling from 36MP to 12MP.

What happens when you compare a 12MP DX sensor (D300) with a 12MP FX sensor (D3)? I thought all of the reviews showed that the 12MP FX had something like 2/3 a stop advantage over 12 MP DX.

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