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It got its name from its shape. It closes similar to the iris in your eye.

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Q: How did the iris diaphragm get its name?
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Related questions

When would you use the iris diaphragm?

Cameras have an iris diaphragm.


How did the diaphragm get its name?

It got its name from its shape. It closes similar to the iris in your eye.


What body part is the same as the iris diaphragm?

The radial and circular muscles of the iris.


How does a microscope iris diaphragm lever work like the iris of an eye?

The iris diaphragm adjusts the amount of light allowed in.


How does closing the iris diaphragm affect image brightness and contrast?

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.


What does the diaphragm do on a micrscope?

On a microscope, the iris diaphragm controls the amount of light.


What is pigmented diaphragm of the eye?

The Iris


Where is the iris diaphragm on a microscope?

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.


Who invented the iris diaphragm?

Robert Hooke


Why should closing the iris diaphragm improve you ability to determine thread order?

By closing the iris diaphragm, it closes the peripheral light so you can get a better image.


What part of the eye is like the diaphragm of a camera?

the iris


What is the function of the iris diaphragm of the mircroscope?

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.