H-K9L Double Convex Lens for optical systems

Double convex lens is a type of biconvex lens, which includes an incident surface and an exit surface. It is characterized by a longer focal length in the middle of the lens surface and a shorter focal length at the ends of each transparent surface. Double convex lenses are mainly used to concentrate light from point sources or transmit images to other optical systems.The focal length of the double convex lens is positive and has positive power. Both sides R can be the same or different. 100 Optical company provided many kinds of double convex lens.