From dark to light: exercise for a mezzotint

As I'm preparing a zinc plate for a mezzotint, I also need to understand better what the tonal values are and how to create them later on my plate.
Mezzotint is an intaglio technique where you start by rocking the plate with a rocker (or berceau) on order to obtain a fine texture that will print out as a deep, matte black. Then, you flatten the texture in some areas with a burnisher to take out the lights and grey tones. This printmaking technique is very tiring physically, yet you need to be very subtle when burnishing, because the texture is quite shallow.
More info regarding mezzotint: en.wikipedia.o...
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