7.PreparationDiopter adjustments(2)

Diopter adjustments(2)

Moving the stage

Moving the stage
  • Stage travel
    • Coarse focus knob travel: Approximately 37.7 mm/rotation
    • Fine focus knob travel: Approximately 0.2 mm/rotation
  • Right handle specifications: when looking from the right
    • Clockwise:Moves the stage up
    • Counterclockwise:Moves the stage down
  • Left handle specifications: when looking from the left
    • Clockwise:Moves the stage down
    • Counterclockwise:Moves the stage up

Switching objectives

Switching objectives
  • Switch to the 40X objective
  • Rotate the coarse focus knob until there is a space approximately 0.5 mm between the objective and the specimen’s coverglass.
  • Slowly lower the stage to adjust the focus.
  • Adjust the focus using your dominant eye, or either your left or right eye.

Readjust the focus

Readjust the focus
  • While looking through the eyepiece lenses, rotate the coarse focus knob. Lower the stage until the image becomes faintly visible.
  • Remove your hand from the coarse focus knob and rotate the fine focus knob until the object can be seen clearly.
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