What are the optical parts of a compound microscope?

1. Mirror: It is used for reflecting light into the microscope, and it is located at the lower end of the arm, it is concave on side and plane on the other.

2. Eyepiece: It is lens fitted at the top of the body tube, it has 10X or 15X magnification.

3. Objective lens: These are attached to nosepiece and is responsible for the magnification action of the microscope.