>>3617532>It is. If it already looks like blurry shit at 12 mpx then filming it at 45 will net you nothing but extra shades of shit you could've interpolated. See Bob Atkins' comparison of a 5Ds and 6D with a cheap kit zoom at:
http://www.bobatkins.com/photography/digital/canon_eos_5Ds_review.htmlA lot of older primes and professional zooms are sharper than the cheap kit zoom he tested. If that lens shows a sharpness difference at higher MP, they will to.
>Look up resolving power, modulation transfer function and Reyleigh formula if you want to know more and/or still disagree.I think you're the one who needs to look them up. Once again: in any optical system final resolution will be less than that of the weakest component, but improving ANY component will bring final resolution closer to that limit.