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Microscope Notes. Microscope Notes. The invention of the microscope made it possible for people to discover and learn about cells. Microscope-an instrument that makes small objects look larger. Two Types of Microscopes. Simple microscope: contains only one lens
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Microscope Notes • The invention of the microscope made it possible for people to discover and learn about cells. • Microscope-an instrument that makes small objects look larger
Two Types of Microscopes Simple microscope: contains only one lens Compound microscope: 2 or more lenses
History of Microscopes • 1590-Zacharias and Hans Janssen made first compound microscope • 1660-Robert Hook made compound microscope with a lamp for lighting. • 1674- Anton van Leeuwenhoek simple microscope magnified a specimen up to 266 times.
Parts of a microscope lens neck Nose piece objectives Course adjustment knob stage diaphram Fine adjustment knob Light source base
Rules when using microscope • Always carry with two hands (one on base, and one on neck) • Always focus away from the slide!!!!
How to calculate magnification • Lens x objective = magnification • Example: 10 x 60 = 600 times magnification
Parts of a microscope 1 2 10 9 3 8 7 4 6 5