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    Undergrad Need Aspherical Lens Equation (+20d, 55mm)

    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?
    • Raza121
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    • Convex lens Lens Optics
    • Replies: 2
    • Forum: Optics
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