Products
- Blanks, glass, for photographic lenses
- Filter glass, optical
- Lens blanks, ophthalmic, glass
- Lens blanks, optical glass
- Lens blanks, optical glass, for binoculars, magnifiers and projectors
- Medical and surgical instruments
- Medical and surgical optics - instruments
- Optical lens and prism blanks, windows, cells, fused quartz or silica
- Prism blanks, glass