[ Telescopes, binoculars, telescopic spectacles, binoculars for hunting purposes, telescopic sights for hunting purposes, opera-glasses, and telescopic glasses; spectacle frames, spectacle glasses, polarized spectacles, contact lenses, magnifying glasses, magnifying spectacles, and protective spectacles, including spectacles for protection against laser beams; aspheric and astronomical lenses; astrographs; astrographic lenses, photographic lenses, ] semi-conductor lenses, [ and microscope lenses; carriers and caps for optical lenses; ] [ prisms for lithography machines; ] [ crystal components and synthetic crystals for optical purposes, namely, crystal for use in lithographic machines; eyepieces; ] [ optical mirrors; surface roughness testing machines and instruments; optical reflectors; ] optical frequency metrology devices; and software for use in the field of metrology, namely, software for controlling lithographic machines and lithographic exposures and for measuring the surface of silicon wafers

[ Grinding, cutting, polishing and coating of glass and other optical surfaces ]