What is a diaphragm on a microscope?


A diaphragm on a microscope is the piece that enables the user to adjust the amount of light that is focused under the specimen being observed. A diaphragm is typically found on higher-power microscopes versus less expensive or toy models.

The diaphragm is located directly under the stage or platform where user places the specimen or slide. The diaphragm disc, sometimes called an iris, has tiny holes in it that let varying degrees of light in under the specimen. By opening the diaphragm, an item that at first appears too dark is easier to observe. Adjusting the diaphragm can also create contrast for better viewing transparent specimens.

Q&A Related to "What is a diaphragm on a microscope?"
Answer it is also known as the iris. It is located above the light source.
This diaphragm has different sized holes and is used to vary the intensity
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That's part of the substage illumination mechanism. You can open it to increase the lighting proceeding up to the stage, or close it to decrease the lighting proceeding up to the
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What Is a Diaphragm in a Microscope?
The microscope diaphragm, also known as the iris, is a rotating disk that can be adjusted to allow more or less light in order to provide proper illumination of the specimen.... More »
Difficulty: Easy
Source: www.ehow.com
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The part of a microscope that regulates the amount of light is the light diaphragm. The light can be increased or decreased as needed. In a compound microscope ...
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