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Also referred to as rough focus, this knob raises and lowers the stage quickly
The rough focus knob is what makes the contents of the slide visible. Once you get it as visible as you can with the rough focus knob, you switch to the fine adjustment and see if you can make the image clearer.
It is the less precise focusing knob on a microscope.
On a light microscope there is the coarse adjustment knob and the fine adjustment knob
Fine Adjustment Knob
Also referred to as rough focus, this knob raises and lowers the stage quickly
The coarse focusing mechanism is the rough focus knob on the microscope. It is used to move the objective lenses toward or away from the specimen.
Focusing, its called a focusing knob.
The rough focus knob is what makes the contents of the slide visible. Once you get it as visible as you can with the rough focus knob, you switch to the fine adjustment and see if you can make the image clearer.
It is the less precise focusing knob on a microscope.
On a light microscope there is the coarse adjustment knob and the fine adjustment knob
The final focus? Its used for final focusing of the specimen.
Fine Adjustment Knob
The function of the coarse adjustment knob on a microscope is to lower or raise the stage of the microscope. This mechanism is used to focus the specimen.
It moves the objective lens down to just above the slide
The coarse-adjustment knob moves the body tube up and down to allow focusing of the image.
The coarse-adjustment knob moves the body tube up and down to allow focusing of the image.