The Coarse adjustment knob
Coarse adjustment moves it visibly and fine adjustment moves it only slightly
Course Adjustment and Fine Adjustment Knobs.
The fine-adjustment knob moves the body tube slightly to bring the image into sharper focus.
Arm
It is called the body tube it is the basic support of the microscope.
it moves the body tube and pbjectives up and down
Coarse adjustment moves it visibly and fine adjustment moves it only slightly
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.
A body tube is a tube that supports the eyepiece.
A microscope.
Course Adjustment and Fine Adjustment Knobs.
it is part of a microscope.
compound light microscope
it supports the upper part of the microscope where the eyepiece, draw tube , body tube and the objectives is placed .
The body tube is a tube that connects the eyepiece (or ocular) and the nosepiece.
the part of a compound microscope that moves the body tube up and down for focusiing
The coarse-adjustment knob moves the body tube up and down to allow focusing of the image.