Nikon YST-2 compound microscope.

  1. Nosepiece

  2. Objectives

  3. Mechanical stage clips

  4. Stage

  5. Iris Diaphram Lever

  6. Light

  7. Base

  8. Ocular (eyepiece)

  9. Body tube

  10. Arm

  11. Coarse adjustment

  12. Fine adjustment

  13. Mechanical stage controls