Ferson Optics, Inc. Working to be your First Choice in Optical Components. For more than 50 years, Ferson Optics has been a world leader in production of standard and custom optical components and optical subassemblies. We manufacture a wide variety of standard and custom optical products; such as spherical lenses, cylindrical lenses, windows, prisms, mirrors, beamsplitters, and filters. We also have a large coating facility to handle your most stringent optical thin-film coating requirements. Our products are used by many different industries. Some of the end products that use our components