Leica M (M10, M10-P) Rangefinder tutorial: Range Focussing, Hyperfocal Distance, Depth of Field, etc

This is a comprehensive tutorial on Leica M type rangefinder cameras.
I explain focussing via rangefinder, range focussing, hyperfocal distance focussing, depth of fields via look-up tables, etc.
At the end of the video sample photos are shown illustrating the techniques explained before.