Answer:
Parts and Function of a Microscope
1. Eyepiece or Ocular lens, this is the part used to
look through the microscope.
2. Body tube or Lens tube is connected with the
eyepiece and its main task is to hold it.
3. Revolving nosepiece, it holds the objective lenses. It is movable and it can revolve the objective lenses depending on the magnification power of the lens.
4. Arm, this is the part connecting the base and to the head and the eyepiece tube to the base of the microscope. It gives support to the head of the microscope and it is also used when carrying the microscope.
5. Objectives/ objective lenses, are the major lenses used for specimen visualization. Most schools have light microscope with three objectives and others have four. Usually,
the shortest one marked 3x, 4x or 5x is called scanner. The lower power objective
(LPO) is marked 10x or 12x, while the high power objective (HPO) is marked 40x, 43x or 60x. The objectives magnify the object to be observed to a certain size as indicated by
the 3x, 10x or 40x, etc. marks.
6. Stage is the platform that holds the specimen or sample for viewing.
7. Stage clips hold the specimen slides in place.
8. Diaphragm controls the amount of light that passes through the specimen.
9. Coarse adjustment focuses images under the scanner and the low- power objectives.
10. Fine adjustment focuses images under the high- power and oil- immersion
objectives.
11. Light source provides light for the specimen (could be a lamp or a mirror).
12. Base supports the microscope.
Explanation:
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