1. Parts of a compound light microscope

2. 9. Ocular lens (eyepiece)
Magnifies a specimen/image for the viewer (10X)=objective lens

3. 1. Body Tube
Holds the ocular lens

4. 3-5. changes total magnification
3. Objective lens-4X (shortest) 4. Objective lens-10X (medium/middle) 5. objective lens-40x (longest/highest)
3-5. changes total magnification

5. 2. Rotating Nose Piece
Change objective lens

6. Holds 1-5 (parts) and used for carrying
10. Neck /arm
Holds 1-5 (parts) and used for carrying

7. Holds the slide for viewing
11. stage
Holds the slide for viewing

8. 6. Stage clips
Holds slide in place

9. Adjust the amount of light coming through the stage
7. diaphragm
Adjust the amount of light coming through the stage

10. 12. Coarse adjustment knob
Used to make large adjustment (up and down) from the stage and specimen. Usually used with 4x (Scanning Objective) and 10x (Low Power Objective)

11. 13. Fine adjustment knob
Used to make small adjustments (up and down) from the stage and specimen (usually used with the higher power objectives

12. Provides light for viewing the specimen
8. Light source
Provides light for viewing the specimen

13. 14. base
Used to hold everything as well as used when carrying microscope (base and neck arm)