What is the diaphragm of a microscope?
A diaphragm is a simple device between the light and the slide that controls the amount of light that passes through the object being viewed. Most microscopes have two different types of diaphragms available.
Those two types are 1) a Disk Type diaphragm and 2) an Iris diaphragm.
While the Disk Type diaphragm is the simpler and less expensive to manufacture, the iris diaphragm will last longer and is far superior. It gives you an almost infinite number of settings and will allow you to see things that simply cannot be seen with the Disk Type diaphragm.
An Iris diaphragm is a good investment that will pay for itself again and again. If you see an ad that does not specify "iris" diaphragm, it most likely has a disk type.
--- permission must be obtained from author Evan Mattensen to re-publish ---
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