The condenser and its diaphragm.
The diaphragm regulates the amount of light that reaches the objective lens. It is also called the iris.
A diaphragm
The light diaphragm
It regulates the amount of light that passes through a specimen.
Iris diaphragm
The diaphragm regulates the amount of light that reaches the objective lens. It is also called the iris.
The Diaphragm of the microscope regulates the amount of light shown.
A diaphragm
The light diaphragm
A diaphragm regulates the amount of light entering the microscope. Stage opening allows light to pass through the stage of the microscope.
It regulates the amount of light that passes through a specimen.
Regulates the amount of light entering the body tube...
Iris diaphragm
It controls the amount of light coming up into the objective lens.
the objective is the lens, there is the main ocular lens which you look through and then this leads to the turret. on the turret are 3 (usually) objective lenses which are usually 4x, 10x and 40x. so the objective are three lenses which change the amount of magnification on the microscope. :)
The light diaphragm
It is called a diaphram.