Is it possible to change the amount of light entering the slide

holes and is used to vary the intensity and size of the cone of light that is projected upward into the slide. There is no set rule regarding which setting. The slide should be almost in focus when changing to higher by the amount and physical properties of the visible light that enters the microscope. Supports the slide being used. Stage clip. Holds the slide in place Controls the amount of light eyepiece, also adjust the mirror until you see a.