This series from f/1.8 to f/11 evaluates the Canon RF 35 mm f/1.8 Macro STM at close range on the 30-megapixel Canon EOS R at a reproduction ratio of approximately 1:7.
In diglloyd Mirrorless:
Canon RF 35mm f/1.8 IS Macro STM Aperture Series: Lichen on Tree Trunk
Includes images up to full camera resolution from f/1.8 to f/11 including a 2-frame focus stack at f/11.
The Canon RF 28-70mm f/2L shows that the focus shift see in Bonsai Over Beaver Pond applies also at macro range.
f11 @ 1/6 sec focus stack 2 frames, ISO 100; 2019-07-16 10:36:00[low-res image for bot]
Canon EOS R + Canon RF 35mm f/1.8 IS Macro STM
ENV: Lundy Canyon, altitude 8300 ft / 2530 m
RAW: LACA corrected