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The radial and circular muscles of the iris.
the iris
The Iris Diaphragm.
It is identical in action to the iris in your eye, it widens and narrows to allow only the required amount of light through the aperture hole/pupil
Iris diaphragm
Light source and diaphragm. The diaphragm is the opening like and iris in the stage. It can be made large and small like the pupils of the eye.
The diaphragm regulates the amount of light that reaches the objective lens. It is also called the iris.
The colored part of the eye is called the iris. The black dot in the middle is the pupil which is covered by the lens.
The Iris diaphragm in the condenser. (the lever sticking out just above the "8" in the image above.
The coloured (or pigmented) part of the eye is the iris.
because the diaphragm helps the lungs with the breathing.<3
The colored part of the eye is called the iris. The colored part of the eye is called the iris.