Illumination lighting design

Illumination lamp car

Enter the refractive index of the lens material, as well as the radii of curvature of both surfaces, into the calculator to determine the lens thickness; this calculator can also evaluate any of the variables given the others are known.

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Illumination lighting meaning

To calculate the lens thickness, subtract the radius of curvature of the second surface from the radius of curvature of the first surface. Multiply the result by the refractive index of the lens material and divide by 2.

Lens thickness refers to the measurement of a lens from its front surface to its back surface at the thickest point. This measurement is typically given in millimeters and can vary greatly depending on the type of lens and its prescription strength. For example, a high prescription lens will typically be thicker than a low prescription lens. The thickness of a lens can also be influenced by the type of material used to make the lens, with some materials allowing for thinner lenses than others.