1. Parts of the Compound Light Microscope Directions: 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)

2. 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?