A 1. Base 2. Mirror 3. Diaphragm 4. Inclination joint 5. Stage 6. Stage Clip 7. Arm 8. Objectives 9. Revolving nosepiece 10. Fine adjustment 11. Coarse adjustment 12. Body tube 13. Eyepiece B A. Light source used to illuminate specimen. B. Controls the amount of light reaching the specimen. C. this is where the arm connects to the base and tilted your microscope back for more comfortable viewing. D. Flat surface in which slide is placed. E. Secures slide in place before viewing. F. Supported the tube and connects it to the base of the microscope. G. Its function is to collect light from the sample. H. It holds two or more objective lenses and can be rotated to easily change power, I. It is used to bring the image into sharp focus. J. Adjusts position of body tube and objectives up and down. K. Connected the eyepieces to the objective lenses. L. Lens at the top of the microscope that the viewers look through M. Provides stability and support for the microscope when it is in upright position.​