Compound Microscope Use and Operation

1. Refer to the illustration below.

2. Turn on the light (8) by turning on the light source.

3. Turn the nosepiece (3) until the low power (4x) objective (4) is in position for viewing. The low power objective is marked with the red stripe.

4. Place the slide on the stage (5) under the stage clips (6).

5. Rotate the aperture control (7) to the largest opening to allow the most light to go through the stage and through the specimen. Do not use the colored filters.

6. Look into the eyepiece (1).

7. Rotate the focus control knob (9) to move the stage (5) towards or away from the objective (4).

8. Rotate the focus control knob until the specimen is in focus and can be seen clearly.

9. If a higher power of magnification is required, turn the nosepiece (3) until the medium power (10x) objective (4) is in position for viewing. Repeat step 8, if necessary.

10. Repeat step #9 if the highest power (40x) objective (4) is required. Repeat step 8, if necessary.