JML Optical is a leading designer and manufacturer of precision custom lens assembly designs and optical systems for hundreds of domestic and international customers. Production for prototype custom lens assembly designs always starts in Rochester where our staff begins the process by analyzing requirements and creating compliant optical designs. JML has also forged strong partnerships with numerous Pacific Rim manufacturing companies. Such alliances have enabled JML to expand its ability to mass manufacture unique and custom lens assembly design for many customers in a cost and time effective manner.