Parts of the Compound Light MicroscopeDirections: Copy each term and explain its function.

* eyepiece * high-power objective lens (40x)

* body tube * stage clip (mechanical stage)

* revolving nosepiece * iris / diaphragm

* coarse adjustment * stage

* fine adjustment * light source

* arm * base

* scanning objective lens (4x)

* low-power objective lens (10X)

• How do you determine the total magnification of an object viewed under a microscope?

• Why do you use the coarse adjustment knob only when the scanning lens is being used?

• When you focus on low or high power, you used the __________ adjustment knob.

• Why do you hold a slide by its edges?