18th November 2019

microscope-microscope
15

What parts of the microscope are used to focus the image?

The simplest optical microscope is the magnifying glass and is good to about ten times (10x) magnification. The compound microscope has two systems of lenses for greater magnification, 1) the ocular, or eyepiece lens that one looks into and 2) the objective lens, or the lens closest to the object.

Regarding this, what is the use of mirror in a microscope?

Eyepiece Lens: the lens at the top that you look through. They are usually 10X or 15X power. Illuminator: A steady light source used in place of a mirror. If your microscope has a mirror, it is used to reflect light from an external light source up through the bottom of the stage.

When can you use the coarse adjustment knob to focus the specimen?

Coarse and fine adjustment The coarse adjustment knob should only be used with the lowest power objective lens. Once it is in focus, you will only need to use the fine focus. Using the coarse focus with higher lenses may result in crashing the lens into the slide.

What does a fine focus knob do?

Fine Adjustment Knob - This knob is inside the coarse adjustment knob and is used to bring the specimen into sharp focus under low power and is used for all focusing when using high power lenses. Light Source - The light source in your microscope is a lamp that you turn on and off using a switch.
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