>>4431932>new Fuji aps-c 40mp sensors being on par with full frame sensors40MP Fuji APS-C (pic rel is a 100% crop) is smartphone tier and looks noticeably worse than 24MP full-frame.
>While full frame has that 3D depth, more details, sharper.If I understand it correctly, the larger your format, the smaller the relative scale of optical aberrations, all else being equal. Full-frame and below therefore need to be better-corrected than medium format and above to achieve the same degree of perceived cleanness. This means more lens elements and special glass are needed. For example, the MFT Olympus 25/1.2 requires 19(!) elements to be as sharp as it is, and suffers greatly in rendering as a result.
Compare that to a medium format lens with a similar use-case: the Pentax 67 105/2.4 is both sharp and renders beautifully with just 6 elements, as a consequence of its focal ratio making things easy for the engineers and the size of the format making optical artifacts less noticeable (since the film needs less enlargement for viewing). Likewise, that very same double gauss design scaled down to full-frame by the same engineers (a Pentax K-mount 50/1.2), with the same coatings and likely even the same glass, shows aberrations at a significantly greater scale and would require more elements to be as sharp wide open as the medium format version (suffering in rendering as a consequence).
