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I think I understand how the anti-aliasing filter works: basically by blurring the image but physically/optically, which is supposed to be better than doing it digitally post capture. Some of the newer Nikons (and maybe others too, IDK) dispense with the AA filter in favour of more detail. My D3300 is one.
IMO the physical AA filter was a bad idea to begin with; a band-aid solution to what is not really even a problem. The link you provide clearly illustrates why. It'd be much better to optionally de-Moire in software/firmware.
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