6A65.10 - Irises and Stops

See paragraph one in the procedure section.
Code Number:
Demo Title:
Irises and Stops
Improvement of Images
Area of Study:
Variable Irises in lens holders or with lenses, Stops (Assorted Sizes).

No preparation necessary except for occasional cleaning and oiling of irises.

  • Oh-2:  Freier and Anderson,  A Demonstration Handbook for Physics.
  • C. Harvey Palmer, "Experiment A13: The Off-Axis Aberrations of Lenses",  Optics - Experiments and Demonstrations, John Hopkins Press, 1962.

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