When viewing clear or lightly stained specimens, remember to lower the aperture. a device that ADJUSTS the amount of light a specimen receives. What is an iris diaphragm lever, taking this into account? Diaphragm lever on the iris. The aperture changes diameter and controls the amount of light that passes through the condenser by adjusting its LEVER. How does a microscope iris diaphragm lever function like an eye’s iris? The iris diaphragm, which is located beneath the condenser, is similar to the iris of the eye. The crystalline lens of the eye is directly behind the pupil, which further focuses light. The iris of the eye, like a camera’s diaphragm, controls the amount of light reaching the back of the eye by adjusting the pupil size (aperture) automatically. So, what exactly is the iris diaphragm’s function and how does it compare to the rest of the human eye? They control both the focus and the amount of light applied to the specimen when combined. It is located below the stage and above the condenser.Īn Abbe condenser with an iris diaphragm is included in most high-quality microscopes. The amount of light that enters the specimen is controlled by Iris Diaphragm.
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