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Microscope

Learn about essential parts like ocular lens, body tube, and nosepiece, and how to determine total magnification. Discover how coarse and fine adjustment knobs work for focusing. Understand the roles of low-power and high-power objective lenses in magnifying objects effectively.

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Microscope

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  1. Microscope Parts and Functions

  2. Ocular lens/Eyepiece The lens through which you look; magnifies the object 10x (10 times its normal size)

  3. Body tube Maintains the correct distance between the ocular lens and the objective lens

  4. Arm Supports the body tube

  5. Revolving Nosepiece Holds the objectives and can be turned to change from one magnification to another

  6. Low-power objective lens Provides the least magnification; magnifies the object 4x (4 times its normal size)

  7. High-power objective lens Provides the most magnification; magnifies the object 40x (40 times its normal size)

  8. Coarse adjustment knob Moves the body tube up and down for focusing

  9. Fine adjustment knob Moves the body tube slightly to bring the image into sharper focus

  10. Stage Supports the slide

  11. Stage clips Hold the slide in place

  12. Diaphragm Controls the amount of light coming through the stage

  13. Light/Mirror Provides light for viewing the slide

  14. Base Supports the microscope

  15. Determining Total Magnification on the Microscope The total magnification of the microscope is equal to the magnifications of two lenses multiplied together. EyepieceXObjective Lens =Total Magnification

  16. Determining Total Magnification on the Microscope Ex: Eyepiece (10x) X LP Obj. Lens (4x) =

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