Spherical lens is referred to as spherical mirror for short. Its optical function is to make parallel rays form a focus F. A spherical mirror has two faces, bot
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Spherical lens is referred to as spherical mirror for short. Its optical function is to make parallel rays form a focus F. A spherical mirror has two faces, both of which are spherical, or one is spherical and the other is plane. Spherical lens can be divided into convex lens (thick center and thin edge) and concave lens (thin center and thick edge). Convex lens can be divided into three forms: biconvex, flat convex and concave convex. Concave lens can be divided into three forms: biconvex, flat concave and convex concave.
Spherical lens is referred to as spherical mirror for short. Its optical function is to make parallel rays form a focus F. A spherical mirror has two faces, both of which are spherical, or one is spherical and the other is plane. Spherical lens can be divided into convex lens (thick center and thin edge) and concave lens (thin center and thick edge). Convex lens can be divided into three forms: biconvex, flat convex and concave convex. Concave lens can be divided into three forms: biconvex, flat concave and convex concave.