The Microscope

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The Microscope

• Parts of, Use, and Care

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The Compound Microscope

• Used to make small, fine details visible to the
  human eye.

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First Microscope
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Hookes Microscope

• First type of Compound Microscope

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HS Lab Microscope
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Modern Day Compound Microscope
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• Eyepiece
• Objectives
• Fine Adjustment Knob
• Power Switch
• Stage
• Diaphragm
• Base
• Body Tube
• Nosepiece
• Stage Clips
• Stage Stop
• Coarse Adjustment Knob
• Aperture
• Arm
• Light Source

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Quiz
QUIZ
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Use of Microscope

• 1. To carry the microscope grasp the microscopes
  arm with one hand. Place your other hand under
  the base.
• 2. Place the microscope on a table with the arm
  toward you.
• 3. Turn the coarse adjustment knob to raise the
  body tube.

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• 4. Revolve the nosepiece until the low-power
  objective lens clicks into place.
• 5. Adjust the diaphragm. While looking through
  the eyepiece, also adjust the mirror until you
  see a bright white circle of light.
• 6. Place a slide on the stage. Center the
  specimen over the opening on the stage. Use the
  stage clips to hold the slide in place.

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• 7. Look at the stage from the side. Carefully
  turn the coarse adjustment knob to lower the body
  tube until the low power objective almost touches
  the slide.
• 8. Looking through the eyepiece, VERY SLOWLY the
  coarse adjustment knob until the specimen comes
  into focus.

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• 9. To switch to the high power objective lens,
  look at the microscope from the side. CAREFULLY
  revolve the nosepiece until the high-power
  objective lens clicks into place. Make sure the
  lens does not hit the slide.
• 10. Looking through the eyepiece, turn the fine
  adjustment knob until the specimen comes into
  focus.

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How a microscope works

• Use of lenses for magnification

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Microscope Procedures, Rules, etc

• Write the of your microscope on your lab paper
• Sign in out for prepared slides (if something
  happens let me know)
• Make all drawings in PENCIL only label them
  correctly
• Carry microscope with both hands

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Rules cont

• Set microscope at least 6 inches from the edge of
  the table (arm facing you)
• Check microscope before you start to use it
  (report problems)
• Plug in cord and keep it out of your way
• Dont lean on table or make sudden movements
• Put on low power objective lens when done