OPTICAL AND PHOTOGRAPHIC INSTRUMENTS AND PARTS THEREOF-NAMELY, PHOTOGRAPHIC STANDS AND INTERCHANGEABLE ACCESSORIES, NAMELY, EXTENSIBLE BELLOWS, OBJECTIVE LENSES, DIASCOPIC ILLUMINATOR ASSEMBLIES, PHOTOMETERS, INTERLOCKING CABLE RELEASES, AND HOLDERS FOR PHOTOMICROGRAPHIC AND PHOTOMACROGRAPHIC ATTACHMENTS

3D, 2 ½ and 2D laser lithography and light induced 3D printing, namely treatment of optical components for modification of optical properties, 3D, 2 ½ and 2D laser lithography and light induced 3D printing, namely treatment of glasses for modification of optical properties