you can control it to adjust the amount of light
A diaphragm
The light diaphragm
the diaphragm controls the amount of light entering the microscope
To hold the light and connect it.
The Mirror to be exact and the Diaphragm specifically the Iris and Disc Diaphragm
The light diaphragm
The light diaphragm
On a microscope, the iris diaphragm controls the amount of light.
The diaphram Is What Controls How Much Light Is Released.
to hold the light
A diaphragm
The light diaphragm
The light diaphragm
The light diaphragm
the diaphragm controls the amount of light entering the microscope
A diaphragm regulates the amount of light entering the microscope. Stage opening allows light to pass through the stage of the microscope.
The diaphragm reduces the light from under the stage which can improve the image contrast.