Is Lance Coating just looking at the glass?

Lance coating department is a department specializing in the research, development and production of optical coating technology. Its main products include various optical coatings and optical lenses. Among them, optical lens is an optical element used in optical instruments and glasses, and its main functions are refraction, reflection, focusing and dispersion. When manufacturing optical lenses, materials such as glass are needed, but Lance Coating Department is not specialized in the production or processing of glass. Therefore, it can be said that Lance Coating Department is not a department dedicated to "looking at glass", but a department engaged in the research and development and production of optical coating technology.