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Homework Help: Optics Thick lenses

  1. Mar 29, 2006 #1
    What is axial thickness? Is it the thickness between the two principle planes of a lens or is it just the thickness of the lens? I need the correct defintion to finish a problem.
  2. jcsd
  3. Mar 29, 2006 #2

    Doc Al

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    Staff: Mentor

    I believe that the axial thickness of a lens is just the center thickness of the lens.
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