I reached the same conclusion for the 24-105 after comparing the MTF charts. It is somewhat unfortunate that the resolving power isn't a full step up from the EF mk II version, but it seems that the intention was to reduce size and weight. If not looking for specialty lenses, these benefits will likely be what most people starting out in FF mirrorless photography will appreciate the most.Just read through the 43 pages, and, based on the MTF, the 28-70/2 at f/2 is sharper than both 24-70/2.8 & 24-70/4 at both ends of the zoom, the RF 50/1.2 is waaayyy sharper than the EF 50/1.2 and 50/1.8, the RF 24-105/4 is slightly worse in some parts of the frame than the EF 24-105/4 Mk.II, and roughly equal to the 24-105/3.5-5.6 in others. The RF 35/1.8 IS Macro is slightly worse than the EF 35/1.4L but better than EF 35/2 IS USM overall.
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