An optical filter includes a first film having an upper surface, a lower surface, a first side, and a second side. A second film is included that has an upper surface, a lower surface, a first side, and a second side. A third film is included that has an upper surface, a lower surface, a first side, and a second side. The first side of the first film is connected to the second side of the second film. The first side of the second film is connected to the second side of the third film. The lower surface of the first film is optically adjacent to the upper surface of the second film. The lower surface of the second film is optically adjacent to the upper surface of the third film. Methods of manufacture and use are also described.