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Light Microscope

Light Microscope. Parts and Functions. A. Eye piece. Contains the ocular lens Magnification 10x. K. Arm. Used to support the microscope when carried. B. Revolving Nose Piece.

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Light Microscope

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  1. Light Microscope Parts and Functions

  2. A. Eye piece Contains the ocular lens Magnification 10x

  3. K. Arm Used to support the microscope when carried.

  4. B. Revolving Nose Piece Holds the low and high-power objective lenses; can be rotated to change lenses so that a slide can be seen at different magnifications

  5. C. Objective Lenses Magnification ranges from 4x to 40x

  6. Scanning Objective Lens Total Magnification = Eyepiece x Objective Lens Total Magnification for scanning objective lens = Magnification 4x

  7. Scanning Objective Lens Total Magnification = Eyepiece x Objective Lens Total Magnification for scanning objective lens = 40x Magnification 4x

  8. Low Power Objective Lens Magnification 10x Total Magnification =

  9. Low Power Objective Lens Magnification 10x Total Magnification = 100x

  10. High Power Objective Lens Magnification 40x Total Magnification =

  11. High Power Objective Lens Magnification 40x Total Magnification = 400x

  12. E. Stage Supports the slide being viewed

  13. D. Stage Clips Holds slide in place on stage

  14. J. Coarse Adjustment Knob Moves the stage up and down for focusing an image

  15. I. Fine Adjustment Knob Moves the stage slightly to increase the clarity of the image

  16. H. Diaphragm Regulates the amount of light that enters the microscope

  17. G. Base Supports the microscope

  18. F. Light Source Projects light rays through the diaphragm, the slide to be seen, and the lenses

  19. THE END

  20. 2

  21. How to use a microscope • Total Magnification: Eye piece x objective lens = • Use the SCANNING objective lens first!!! • NEVER use the coarse adjustment knob when you’re on HIGH power!!!!!!!!!!!!!!!!!!!!!

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