![[Image: mtf.gif]](https://www.opticallimits.com/images/8Reviews/lenses/canon_100_28is_5d/mtf.gif)
You can get an idea of what f/11, f/16 (f/11 + 1.4) and f/22 (f/22 + 2x) means on an R6 above.
The old 5D II had 21mp.
f/11 is pretty good albeit not tack sharp.
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Doing all things Canon, MFT, Sony and Fuji
Doing all things Canon, MFT, Sony and Fuji