The compound microscope is classified into three main parts: Mechanical, Illuminating and Magnifying. The mechanical part comprises (1) which holds the objectives and revolving nosepiece in place. The coarse adjustment knob allows the movement of the tube upward or downward. On the other hand, the (2) brings the specimen into sharp focus. In addition, the stage and stage clips (3) and holds the specimen in place. Further, (4) provides stability to the compound microscope while the (5) is curved shape used for holding the compound microscope when transporting. The (6) supports the compound microscope when it is in incline position. The illuminating parts consist of the (7) which allows light to pass through the diaphragm and that (8) the amount of light. Further, the magnifying parts comprises the (9) which is a lens that attaches to a body tube. The specimens are magnified by the (10) which are classified into scanner, low power objective, high power objective and oil immersion.