Two knobs are used to get a clear image on low power. The coarse adjustment knob is used to make drastic changes to the image, and the fine adjustment knob is used to make small adjustments to the image. The reason two knobs are used is because you are supposed to get as clear an image as possible on low power before moving on to the next power, and same with medium power.
You should find the 'adjustment knob'.
You should find the 'adjustment knob'.
You should find the 'adjustment knob'.
You should find the 'adjustment knob'.
The final focus? Its used for final focusing of the specimen.
You use the Fine Adjustment Knob to give a very clear image on the microscope, mostly used on high power magnification.
is it the knob
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.
The coarse-adjustment knob moves the body tube up and down to allow focusing of the image.
Focusing, its called a focusing knob.
Coarse adjustment