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The Compound Light Microscope

The Compound Light Microscope. What is it?. The microscope pictured above is a compound light microscope. The term light refers to the method by which light transmits the image to your eye. C ompound deals with the microscope having more than one lens.

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The Compound Light Microscope

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  1. The Compound Light Microscope

  2. What is it? • The microscope pictured above is a compound light microscope. • The term light refers to the method by which light transmits the image to your eye. • Compound deals with the microscope having more than one lens. • Microscope is the combination of two words; "micro" meaning small and "scope" meaning view.

  3. Parts and Uses

  4. Eyepiece and Body Tube • The eyepiece contains the ocular lens which magnifies objects a given amount that is listed on the eyepiece. • The body tube supports the eyepiece and objectives. • How much do our microscopes magnify? (10x)

  5. Nosepiece, Objectives, and Stage Clips • The nosepiece holds the 3 objectives. • The objective lenses range in magnification from 4X, 10X, and 40X. • The stage clips holds the slide in place. Nosepiece Stage

  6. Magnification • What happens as the power of magnification increases?

  7. Stage, Light, and Diaphragm • The stage supports the slide being viewed. • The light source projects upward through the diaphragm, the specimen, and the lenses. • The diaphragm regulates the amount of light on the specimen.

  8. Arm and Base • The arm is used to support the microscope when it is carried. • The base supports the microscope.

  9. Coarse Adjustment Knob • Moves the stage up and down for focusing. • NOT TO BE USED WITH ANY OTHER OBJECTIVE BUT THE 4X

  10. Fine Adjustment Knob • Moves the stage slightly to sharpen the image. • Used with the 10X and 40X objective to focus.

  11. Microscope Safety • Rule Number 1 • Always carry the microscope with two hands- one on the arm, and one on the base • Rule Number 2 • Never use the coarse adjustment knob with any objective other than low power (4x)

  12. Microscope Safety • Rule 3: No horseplay around the microscopes! (They are VERY expensive) • Rule 4: NEVER carry the microscope by anything other than the tan parts • Rule 5: Always watch the power cord of your microscope • Rule 6: Always ask Mr. Tran if you’re ever unsure about instructions

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