MBIO 3812 Additional Info Ex 3-1 Intro to Light Microscopy

MBIO 3812 Additional Info Ex 3-1 Intro to Light Microscopy...

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MBIO 3812 Ex 3-1 Introduction to the Light Microscope In the lab you will be using brightfield microscopy and a compound microscope . In brightfield microscopy the image that is viewed is formed from light that has been passed through a specimen. There are numerous different types of microscopes but the compound microscope is the one used on a regular basis in any microbiology lab. This microscope is considered compound because it has a double lens system , which consists of both objective and ocular lens. A compound microscope consists of numerous components each with a specific function and the optimal use of these microscopes requires a working knowledge of all parts. The figure below highlights the location of the key components of the microscope and the definitions indicate the function of each of these parts. Base: supports the microscope Light source or lamp: provides the light for viewing specimens Condenser: the lens that focuses the light onto the specimen Iris Diaphragm: the rotating disk, which is used to vary the intensity and the path of the
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MBIO 3812 Additional Info Ex 3-1 Intro to Light Microscopy...

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