David Rasberry
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I stay corrected. But, whether pixel size is 2.1 microns or 2.3 microns, it makes little difference to the point I was making.
As in zero, because there aren't many lenses that can defy laws of physics. Diffraction limit is diffraction limit. At f/2.0 and theoretical pixel size of 2 microns the MTF is less than 10% for red wavelengths and not much more for blue wawelengths.
Precisely put. No point in a 4k 2/3" camera.