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Q: When did Robert Hooke invent the iris diaphragm?
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Who invented the iris diaphragm?

Robert Hooke


When would you use the iris diaphragm?

Cameras have an iris diaphragm.


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.


What changes happened at the time as a result of Robert Hooke's work?

Robert Hook's many scientific contributions include the iris diaphragm in cameras, the balance wheel in a watch, the universal joint used in vehicles, and the coining of the term "cell" in biology.


How did the iris diaphragm get its name?

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


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