Parts of a scope

1
Parts of a scope
Eyepiece(Ocular)
Coarse Adjustment
Fine Adjustment
Objective Lens
Arm
Stage
Diaphragm
Mirror(Light source)
Base
2
EXAMINING A SPECIMEN

• 1. Align the slide over the hole in the stage.
• 2. Click the lowest power objective into place.
  Start with the tube at the bottom and focus stage
  down slowly using the coarse adjustment.
• 3.Use the fine focus adjustment to further
  sharpen the image.
• 4.The microscopes should be parfocal. Once a
  specimen is clear under low power, it should
  already be focused under high power also.

3
Troubleshooting

• 1. Is there an adequate amount of light? Too
  much? Too little?
• 2.Is the objective clicked in?
• 3.Is the specimen moving?
• 4. Is the specimen large enough?
• 5. Did I start with the tube at the stage and
  focus stage down under scanning power?

4
Clean Up

• 1. Return all slides and supplies to the correct
  area.
• 2. Clean the stages and lenses with lens paper.
• 3. Click in the scanning powered lens so that the
  microscope is ready for use by the next person.
• 4. Return the tube to the bottom using the coarse
  adjustment.
• 5. Return the microscope using the two-handed
  carry.