This page look at the behavior of the Leica M10 Monochrom at up to 4-stop underexposure for the highlights, processed with a maximum shadow boost as well as up to a 5-stop push.
RawDigger histograms included to show the actual captured range.
Leica M10 Monochrom: Dynamic Range Under Conditions of Underexposure
Includes images up to full camera resolution.
In spite of my reservations about the black-dot pimples and sensor bifurcation, I have to applaud just how well the Leica M10 Monochrom does for usable dynamic range.
Separately, I take a quick look at how 'clean' the M10M sensor is in dark tones:
Leica M10 Monochrome Tonal Gradation in Dark Tones
Dusk Falls over Alabama Hills and Mt Whitney Range
f8 @ 1/125 sec, ISO 160; 2020-12-24 15:57:34[low-res image for bot]
Leica M10 Monochrom + Leica 24mm f/3.8 Elmar-M ASPH + filter B+W 091 Deep Red
ENV: Alabama Hills, altitude 4200 ft / 1280 m, 40°F / 4°C
RAW: push 5 stops, +100 Shadows, -100 Highlights, +40 Whites, +20 Dehaze, +15 Clarity