A lens designed to minimize chromatic and spherical aberration. These two lenses are respectively made of t..
The "curvature of the sphere" of a spherical lens is constant, that is, the front and back surfaces of the ..
Double concave spherical lens is composed of two concave spherical surfaces, the focal length is negative, ..
A biconvex lens is composed of two convex spherical surfaces with a positive focal length, usually with obj..
Meniscus lenses are divided into positive meniscus and negative meniscus lenses. One side of the meniscus l..
A plano-convex spherical lens consists of a flat surface and a convex spherical surface, and has a positive..
Composed of a plane and a concave spherical surface, it has a negative focal length and negative spherical ..
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