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Plano-convex lens

  1. Mar 5, 2008 #1
    Can someone help me with the Lensmaker's equation for a plano-convex lens? The formula for a bi-convex lens is readily available but it includes a term for the radius for each of the two curves. A plano-convex lens has only one radius!
     
  2. jcsd
  3. Mar 5, 2008 #2

    clem

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    Science Advisor

    Let the second radius go to infinity.
     
  4. Mar 7, 2008 #3
    Thanks. Does that mean the formula is simplified to the formula shown in simple2.jpeg?

    Whether I start with the formula shown in simple1.jpeg or that shown in complex.jpeg, if the second radius is infinity a number of terms are then zero.
     

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  5. Mar 7, 2008 #4
    Certainly.
     
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