It is a square section which you place the slide on to have a look at the object.
If you are talking about a microscope - it is called the stage.
the stage of a microscope is the place where you put the clip you are viewing
what is under of stage
what does a microscope have a small hole in it
base of the microscope and the arm / stage or stage clips
base of the microscope and the arm / stage or stage clips
base of the microscope and the arm / stage or stage clips
base of the microscope and the arm / stage or stage clips
base of the microscope and the arm / stage or stage clips
The slide goes on the stage
You place your slide on the stage of a microscope.
what does a microscope have a small hole in it