A plano-concave lens is a lens with one side being flat and the other side being concave. It is characterized by being thin in the center and thick at the edges, and can make parallel light rays ...

In his workshop in Padua, Italy, he discovered that plano-convex and plano-concave lenses worked best—that is, lenses with a plane on one side and curved surfaces on the other. Then, drawing on ...

Our products includes Optical lenses, condenser lenses, collimation lenes, plano-concave lenses, Dove Prisms, Penta Prisms, Half Penta Prisms, Equilateral Prisms, Right-Angle Prisms, Roof Prisms, ...