This article should be read by everybody

Started Dec 12, 2013 | Discussions thread
Allan Olesen Veteran Member • Posts: 3,391
Re: Hard to bust the large vs small pixel myth

K E Hoffman wrote:

If you print to the same size less than 11x14 etc does it tend to smooth out.. yes. as you make larger prints or CROP the noise will not be smoothed out.

It is not only downsampling which levels the playing field between low and high MP sensors. The principle is exactly the same in upsampling/enlarging:

If you have the same amount of per pixel noise in two photos with different pixel count, and you enlarge both photos to the same size, the photo with the fewest pixels will have more visible noise.

So you can choose to see the lower per pixel noise of a low MP sensor as an advantage. But in reality, the lower per pixel noise is necessary to outweigh the disadvantage which it has when you scale the photo to its final size.

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