The lens shape accordingly corresponds to that of a glass optical lens, being thick at the center and ... the weight advantage of the metal lens is retained. Various types of lenses are described and ...

Paper-thin optical lenses simple enough to mass produce like ... "This is due to a special type of photoresist or mask called a color resist, which was originally designed for use as color filters.

One of the key areas of recent research is the development of methods to analyze and suppress polarization aberrations in different types of optical systems ... that using a lens group alongside ...