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Microscope Functions
Term | Definition |
---|---|
Arm | Supports the body tube and is used to carry the microscope |
Base | Supports the microscope and is used to carry it; the bottom part of the microscope |
Body Tube | light passes through this hollow tube; it also maintains the correct distance between the eyepiece lens and the objective lens |
Coarse Adjustment Knob | Turns to raise and lower the body tube or stage for focusing; always use this knob first |
Diaphragm | Changes the amount of light that enters the body tube |
Eyepiece | Contains the lens you look through; the top part of the microscope |
Fine Adjustment knob | Moves slightly and is used to sharpen the image |
Mirror or Light Source | Is used to send light up through the hole in the stage, object, and lenses |
Nosepiece | Holds the objective lenses and rotates to change the magnification |
Objective Lenses | Usually range from 10x to 40x magnification; located on the nosepiece |
Stage | Supports the object (Microscope Slide) being viewed |
Stage Clips | Holds the microscope slide in place |