Parts of a Mircoscope

Sends light up through the diaphragm and through the slide for the viewing. Shines to allow you to see the specimen.

• Light Source

• Diaphragm

• Revolving Nosepiece

• Specimen

Largest lens, highest amount of magnification, usually 43X; never use the course adjustment when using this lens.

• Low Power Objective Lens

• Medium Power Objective Lens

• High Power Objective Lens

Controls how much light is allowed to shine through the slide. Microscope is usually better when the light is low

• Body Tube

• Eyepiece

• Course Adjustment Knob

• Diaphragm

Smallest lens, lowest amount of magnification, usually 4X

• Low Power Objective Lens

• Medium Power Objective Lens

• High Power Objective Lens

Connects the eye piece and the revolving nosepiece. Reflects light up to the viewer's eye.

• Diaphragm

• Body Tube

• Stage Clips

• Specimen

Allows you to change between low, medium, and high power. Allows for quick change of objectives.

• Revolving Nosepiece

• Body Tube

• Diaphragm

• Stage

Holds the slide in place on the stage.

• Specimen

• Fine Adjustment

• Stage Clips

• Stage

Supports the microscope slide. Moves up and down.

• Fine Adjustment Knob

• Stage

• Eyepiece

• Coarse Adjustment Knob

Knob used to move the stage up and down. Only use on low or medium power.

• Fine Adjustment Knob

• Stage

• Revolving Nosepiece

• Coarse Adjustment Knob

Knob used to focus on the specimen when using all lenses.

• Fine Adjustment Knob

• Eyepiece

• Coarse Adjustment Knob

• Stage