Microscope Parts and Functions.

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Presentation transcript:

Microscope Parts and Functions

Ocular lens/Eyepiece The lens through which you look; magnifies the object 10x (10 times its normal size)

Body tube Maintains the correct distance between the ocular lens and the objective lens

Arm Supports the body tube

Revolving Nosepiece Holds the objectives and can be turned to change from one magnification to another

Low-power objective lens Provides the least magnification; magnifies the object 4x (4 times its normal size)

High-power objective lens Provides the most magnification; magnifies the object 40x (40 times its normal size)

Coarse adjustment knob Moves the body tube up and down for focusing

Moves the body tube slightly to bring the image into sharper focus Fine adjustment knob Moves the body tube slightly to bring the image into sharper focus

Stage Supports the slide

Stage clips Hold the slide in place

Controls the amount of light coming through the stage Diaphragm Controls the amount of light coming through the stage

Provides light for viewing the slide Light/Mirror Provides light for viewing the slide

Supports the microscope Base Supports the microscope

Determining Total Magnification on the Microscope The total magnification of the microscope is equal to the magnifications of two lenses multiplied together. Eyepiece X Objective Lens = Total Magnification

Determining Total Magnification on the Microscope Ex: Eyepiece (10x) X LP Obj. Lens (4x) =