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Aspheric lens equation

  1. Nov 6, 2015 #1
    Hello.
    I am not related to physics or any optics related field.
    I am in need of equation for +20d aspherical lens of diameter 55mm.
    Can anybody help me?
     
  2. jcsd
  3. Nov 10, 2015 #2
    The shape is definitely going to depend on the index of refraction of the material it is made out of.
     
  4. Nov 10, 2015 #3

    berkeman

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    Staff: Mentor

    Welcome to the PF.

    When I go a Google search on the title of your thread, the first non-advertisement link is this one for wikipedia. It looks to have what you need (as long as you know the index of refraction of your material, as already pointed out)... :smile:
     
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