Lensmaker Equation Calculator
English

Lensmaker Equation is used to determine whether a lens will behave as a converging or diverging lens based on the curvature of its faces and the relative indices of the lens material and the surrounding medium. It is used for determining the focal length of a thin lens (thickness = 0) with radii of curvature r1 and r2. The focal length of a lens in air can be calculated from the lensmaker's equation.

Lensmaker Equation Calculator

gmol/liter
kelvin

Lensmaker Equation is used to determine whether a lens will behave as a converging or diverging lens based on the curvature of its faces and the relative indices of the lens material and the surrounding medium. It is used for determining the focal length of a thin lens (thickness = 0) with radii of curvature r1 and r2. The focal length of a lens in air can be calculated from the lensmaker's equation.

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Lensmaker's equation:

1/f = (n1/nm-1) * (1/r1-1/r2) Where, n1 -Refractive Index of Lens Material nm -Refractive Index of Ambient Medium r1 -Radius of Curvature of the First Surface r2 - Radius of Curvature of the Second Surface

Basically, the Lensmaker Equation is used to make Lenses. This online calculator helps you dynamically to determine the focal length of the lens.


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