Lensequationcalculatorwith steps

The direction of a ray of light through a lens is governed by Snell’s law, which is dependent upon the refractive indices of the lens material and the the environments on either face. An optical lens is normally, but not necessarily, made of glass and the environments are normally, but not necessarily, air or a vacuum.

Twolenssystemcalculator

The lens calculator provides details of the path of the light-ray through the lens, the principal planes and points within the lens, its focal length and its limiting optical diameter (above which parallel light will be reflected internally). The lens calculator also provides an active image of the lens and the light-path through it.

An optical lens concentrates light that has passed through it magnifying or shrinking the projected image of an observed object by an amount dependent upon; the distance between the lens and the object, and the shape of the lens.

Convex lens calculatorwith steps

Lenses allows you to enter a radius for each face of the lens (positive for convex and negative for concave) a lens thickness, the direction and position of an entering light-ray, a distance to the object being observed and refractive indices for the lens material and the environments on both surfaces.

Either or both faces of a lens are normally spherically concave or convex (or even flat), the radii of which will determine its performance.