Components of the microscope

1. Microscope
2. Microscope stand
3. Base
4. Power switch: On / off (front left)
5. Light source
6. Voltage control / rheostat (back right)
   1 | 3 | 5 | 7 | 9 | 10
7. Left and right focus adjustment knobs
8. Condensor
9. Iris diaphragm lever
   Open | Closed
10. Condenser adjustment knob (left)
11. Stage
12. Stage controls (right beneath stage)
13. Control for left and right (bottom)
14. Control for forward and backward (top)

1. Optical unit
2. Nosepiece
3. 4X objective (red ring)
4. 10X objective (yellow ring)
5. 40X objective (blue ring)
6. 100X oil immersion objective (black and white rings)
7. Binocular tube
8. 10X eyepiece / ocular
9. Interpupillary distance scale in mm (between oculars)
10. Diopter adjustment ring (on left ocular)