Parts of a scope - PowerPoint PPT Presentation

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Parts of a scope

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Start with the tube at the bottom and focus stage down slowly using the coarse adjustment. ... 4.The microscopes should be parfocal. ... – PowerPoint PPT presentation

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Title: 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.
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