It got its name from its shape. It closes similar to the iris in your eye.
Robert Hooke
By closing the iris diaphragm, it closes the peripheral light so you can get a better image.
Equipped on the Condenser of the microscope, the iris diaphragm is a shutter controlled by a lever that is used to regulate the amount of light entering the lens system.
The diaphragm reduces the light from under the stage which can improve the image contrast.
The diaphragm reduces the light from under the stage which can improve the image contrast.
Cameras have an iris diaphragm.
It got its name from its shape. It closes similar to the iris in your eye.
The radial and circular muscles of the iris.
The iris diaphragm adjusts the amount of light allowed in.
An iris diaphragm controls the amount of light admitted to a lens. Closing the iris diaphragm will decrease the brightness and increase the contrast of an image.
On a microscope, the iris diaphragm controls the amount of light.
The Iris
This iris diaphragm of a microscope contains the amount of light that can enter through to the specimen. If the condenser iris diaphragm is open, the image will be bright; if it is closed, it will be dim.
Robert Hooke
By closing the iris diaphragm, it closes the peripheral light so you can get a better image.
the iris
Equipped on the Condenser of the microscope, the iris diaphragm is a shutter controlled by a lever that is used to regulate the amount of light entering the lens system.