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Focusing, its called a focusing knob.
the coarse adjustment
coarse adjustment
the mirrors help focus it
To make the image clearer on a microscope you can use the focusing lens.
Focusing, its called a focusing knob.
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It is the less precise focusing knob on a microscope.
start with the lowest objective then adjest your focus. After, switch your objective if needed going from lower to higher
the coarse adjustment
it is used for final focusing.
coarse adjustment
the mirrors help focus it
fine adjustment
the coarse adjustment
true
it is used for final focusing.