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Microscope Parts

Notes on how the microscope functions

What is the most familiar type of microscope? The Standard Light Microscope
Are the Base and the Arm connected? Yes,usually is one single piece of cast metal
What is the purpose of the Arm? It is the correct place to grip when carrying a microscope
What is the purpose of the Base? When carrying a microscope,you want to support the base with the palm of your hand
What is the Stage? It is the platform that supports the specimen so it can be observed.
Why does the Stage have a hole in the center? It has a hole in the center to allow light to pass through, so the specimen must be supported on a microscope slide
What purpose does the Diaphragm have? It controls how much light goes through the specimen when you adjust it
What is the Diaphragm's range? It has a range from 1 to 5
What do Stage Clips do? It holds down the slide so it will stay in place
What purpose does the Mirror serve? It is the light source. Never use in direct sunlight because it will damage your eyes
What is the Scanning Objective Lens power? 4x
What is the Low Power Objective lens power? 10x
What is the High Power Objective Lens power? 40x
Which Objective Lens is the shortest out of the 3? The Scanning Power Objective Lens
What purpose does the Body Tube serve? It allows light from the objective to pass upward to form the first magnified image
What does the Eyepiece do? It has the Ocular lens and the eyepiece is usually 10x
How do you switch objectives? You rotate the Nose Piece
What does the Coarse Adjustment Knob do? You use it primarily to focus on your specimen
What does the Fine Adjustment Knob do? It is used for minute focusing. You use this after you have focused with the coarse adjustment knob
Why should you never use your Coarse Adjustment Knob on high power? It will crack your slide
Created by: gracieluelue