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Microscope

Microscope. Light Microscope. Microscope is an instrument used to see images that are too small for the naked eye. Zacharias Janssen invented the first compound light microscope. Compound light microscope uses multiple lenses to observe and focus a specimen. Hooke.

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Microscope

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  1. Microscope

  2. Light Microscope • Microscope is an instrument used to see images that are too small for the naked eye. • Zacharias Janssen invented the first compound light microscope Compound light microscopeuses multiple lenses to observe and focus a specimen.

  3. Hooke • Robert Hooke used a compound light microscope to observe cork. He named his observation CELLS.

  4. Light Microscope • Leeuwnhoekinvented the first single lens microscope. • He observed and drew single-celled organisms in pond water. Single lens microscope

  5. Compound Light Microscope

  6. Inverted Image 1. Result of light rays 2. Light passes through slide on the stage and focuses towards the objective lens. 3.Light rays cross over 4. The image flips.

  7. Objective Lenses • Important due to resolution- ability to distinguish between two objects. • Eyepiece Magnification is 10x • Objective Lenses are 4x, 10x, 40x • Total Magnification is found by multiplying the eyepiece magnification and the objective magnification • 10x times 4x = 40x

  8. Rules of Microscope Use • When removing or adding slide always be on low power. • Start with low power and move up – use coarse adjustment. • Higher powers only use fine adjustment • May need to increase light as you move up in magnification • Keep in mind objects are inversed by the microscope – so moving left is really moving right

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