Pixel Density is GENIUS!

Started Jul 13, 2008 | Discussions thread
John Sheehy Forum Pro • Posts: 21,564
Re: No really, it isn't

RRJackson wrote:

Well, that is useful. Because given the choice of getting 12
megapixels from a 1/1.7" sensor or a 135 sensor I'd much rather have
the lower pixel density of the 135 sensor.

Yes, and you'd be in error if you thought the camera had less noise because of the lower pixel density. The fact is, the sensor is a lot larger.

But sticking with like-sized sensors, I notice that the 1DsIII is a
lot noisier at high ISO than the D3.

Since you obviously can not tell the difference between low noise and noise reduction, that's not surprising. The two cameras have similar image-level noise in the highlights, and the 1Ds3 has less image-level read noisie in the shadows, in the RAW data.

Another one of those unfortunate
coincidences that keeps piling up on the mountain of anecdotal

None of which is from RAW data, always from unequally noise-reduced samples. The real RAW story contradicts your claim.

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