Data Table One - Compound Light Microscope Parts Stucture & Functions
Structure (Part Name)
Function (What it does)
1. Turret
Turns Eyepiece for view/storage
2. Med Power Objective
Magnifies incoming light 10x
3. Low Power Objective
Magnifies incoming light 4x
4. High Power Objective
Magnifies incoming light 40x
5. Slide Clips
Hold slide in place on stage
6. Stage
Holds Slide, allows shift of focus for better viewing.
7. Diaphragm
Changes incoming light levels and angle
8. Light Source
Illuminates (provides light) to see sample better
9. On / off switch
Turns scope on and off
10. Base
Provides stable base, absorbs vibration
11. Power Cord
Provides electricity for light source
12. Fine Focus
Changes focus very slightly for precise viewing
13. Coarse Focus
Low Power Only - For initial focusing
14. Yoke, or Arm
For moving scope, hold yoke and base of scope
15, Eyepiece or initial Objective
Initial objective, magnifies incoming light 10x
EC (top) Tube
Holds Eyepiece at a fixed position in focus
EC (lower) Revolving Nosepiece Contains prism to change light path. Spins to allow Objectives to be changed without losing focus
