When you look at the Diary photo from a 6x7 negative - it looks nicely sharp and everything. Sure, it is made smaller, then things look sharp.

However when looking at it at 100%, i still see that the pixelshift with the 80 MP with the Olympus OM-1 does not truly in the finest detail match that of the Fujifilm GFX 50s II with the Tamron 90mm ƒ2.8 macro lens.

THREE things I observe

1) the finest details are sharper with GFX + macro lens (with sharpening applied)

2) The film grain structure remains 100% intact with GFX + Macro.

2b) With 80 MP OM-1 Pixelshift - you get a slight pattern sometimes, the digital file is less tolerant for post processing and can more easily result into an overlying diffuse pattern.

Not exactly pattern, but a very weak larger overlapping, coarser "grain" structure, which looks to me like an old film that's gotten too old. It is very faint, and mainly something a trained eye would notice. Especially when you post process the image, this would become a bit more evident. Post-processing pixelshift image seem to be less tolerant, than native sensor outputs.

3) Now a very interesting, opposite observation: When I take away all sharpening, setting it always to 0 - then the difference is strangely non existent (between GFX + Tamron 90mm, GFX + Sigma 70mm, and OM-1's 80 MP Pixelshift with 60mm macro).

That surprised me a bit

So sharpening a pixel-shift image, seem to give lesser results and slightly funky grain patterns (probably due to the nature of pixelshift enlarging technology - compared to a native sensor resolution.

Pixelshift... Between BS and Real ?

In my eyes, pixelshift seem to promise more than it can hold water. (I do not know which camera actually does a splendid way). Most do not ! Most cameras tests I have seen online - left me underwhelmed. Frankly, not worth the hassle.

Sad to say.

The real thing (native sensor output) is far more convincing - without bias - because you simply see it straight at the monitor; details get pin sharp. It always gives it an edge over most pixelshift gimmicks.