2.1: Parts of the Microscope
Become familiar with the location and function of the following parts.
- Arm and Base
- Ocular lens – magnifies by 10X
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Revolving nosepiece – contains 3 objective lenses
- scanning objective lens magnifies by 4X
- low power objective lens magnifies by 10X
- high power objective lens magnifies by 40X
- Stage and stage clips – hold the slide for viewing
- Stage adjustment knobs – located below the stage to control forward/reverse and side to side movement of the stage
- Coarse adjustment knob – for focusing ONLY when using scanning objective lens
- Fine adjustment knob –brings object into clearest focus
- Iris diaphragm – controls the amount of illumination to improve contrast and resolution