[wim]

Toni, with a RX100 or the others you can't do 50mm f1.2. Nor 85mm f1.2. Nor even 35mm f1.8. So, that is your answer. Cameras with lens mounts and separate lenses are not meant as a single lens camera. You can make it be a 24-240mm camera when you want that one day, and a 85mm f1.2 portrait special the next day.

And with 240mm f6.3 on FF, you do get shallow DOF (240 / 6.3 = 38mm aperture after all).

It is just that, "a convenient super zoom lens". I have never been a superzoom lens customer (never looked at any of the 18-200mm APS-C lenses or any FF equivalent), but I realize that other people might have a want for one.

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Disappointing ... https://cweb.canon.jp/eos/rf/lineup/rf24-240-f4-63/image/spec/spec-mtf.png

Looks not bad for a superzoom, to be frank.

Comparing it to the Nikkor 28-300mm:
https://cdn-4.nikon-cdn.com/e/Q5NM96RZZo-fTYlSZPBjlMhlFa1VHARsAMnUXbUr7JVMy59DqMksG-PXFl7J9v-FTV4SAbYhgfatpJWqkPJdzAwsgWRMuL--/Misc/AFS_28_300_ED_VR_MTF_w.jpg
https://cdn-4.nikon-cdn.com/e/Q5NM96RZZo-fTYlSZPBjlMhlFa1VHARsAMnUXbUr7JVMy59DqMksG-PXFl7J9v-FTV4SAbYhgfatpJWqkPJdzAwsgWRMuL--/Misc/AFS_28_300_ED_VR_MTF_t.jpg

The effective resolution on the 30mp EOS R will be lower than the effective resolution of the 12-100mm PRO on a 20mp MFT body ...

https://asia.olympus-imaging.com/content/000085683.gif

I doubt that for 3 reasons.

1. The center resolution for the lens seems pretty ok wide open. So you will get more "effective resolution" on 30mp on your subject for sure, it is not like 30mp is too taxing.
   
2. The Canon RF 24-105 f4 24mm Canon MTF chart is not that different from this 24-240mm lens, and that 24-105mm lens did a very good job when it comes to image resolution, according to some reviewer based in Australia.
   
3. The charts for the Olympus lens are for.... f4 on MFT. That is equivalent to f8 on FF. The charts for the Canon lens are for f4 on 24mm, and f6.3 on 240mm.
   

Other points:

• The Olympus does not do 240mm FF equivalent.
  
• I don't know of any 20MP MFT bodies that have an AA-filter, so the "resolution" will be contaminated with false detail and fake sharpness due to aliasing anyway, so any comparison is moot.
  

Besides that, the Olympus is a sharp lens of course, that is apparent. In FF terms, a sharp, slow 24-200mm f8 lens. A slow lens that weighs 239 grams less than the faster Canon 24-240mm f4-6.3 lens. A slow lens that is weather sealed, and $200 more expensive.

BC, I wish you would stop doing this. The Oly 12-100 F/4 is an F/4 lens. The only equivalent bit aperture wise is that it has the same DoF as an F/8 lens on FF, but it still is an F/4 lens.

Thank you in advance.

Kind regards, Wim