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<blockquote data-quote="WayneF" data-source="post: 136915" data-attributes="member: 12496">No way I care to try to defend that site.&nbsp; <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite1" alt=":)" title="Smile&nbsp; &nbsp; :)" loading="lazy" data-shortname=":)" />&nbsp; However, read it again, it does not say the sensor causes diffraction.Diffraction is caused by the lens diameter.&nbsp; Period.&nbsp; Diffraction does not depend on the sensor.That site assumes 1) magically the point source and Airy Disk is somehow perfectly aligned on the center of the pixel, and 2) it ignores the sensor is a Bayer pattern... some pixels are red, some are green, and some are blue (a much larger area), which will later be recombined into one RGB pixel.Less resolution so we cannot clearly see the same diffraction does not increase resolution.The bottom line is - more smaller pixels is always greater resolution.&nbsp; &nbsp;&nbsp; It is true that lens diffraction limits that resolution, but greater sensor&nbsp; resolution just better resolves the Airy Disk, which is always still&nbsp; present regardless if we can resolve it or not. It was the same thing with film.&nbsp; Fine grain film did not increase diffraction.&nbsp; We NEVER heard that, and Airy Disk was known before film.&nbsp; &nbsp;&nbsp; The diffraction is present regardless of film grain size and resolution, and depended only on the lens diameter.</blockquote>

[QUOTE="WayneF, post: 136915, member: 12496"] No way I care to try to defend that site. :) However, read it again, it does not say the sensor causes diffraction. Diffraction is caused by the lens diameter. Period. Diffraction does not depend on the sensor. That site assumes 1) magically the point source and Airy Disk is somehow perfectly aligned on the center of the pixel, and 2) it ignores the sensor is a Bayer pattern... some pixels are red, some are green, and some are blue (a much larger area), which will later be recombined into one RGB pixel. Less resolution so we cannot clearly see the same diffraction does not increase resolution. The bottom line is - more smaller pixels is always greater resolution. It is true that lens diffraction limits that resolution, but greater sensor resolution just better resolves the Airy Disk, which is always still present regardless if we can resolve it or not. It was the same thing with film. Fine grain film did not increase diffraction. We NEVER heard that, and Airy Disk was known before film. The diffraction is present regardless of film grain size and resolution, and depended only on the lens diameter. [/QUOTE]

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