9001000000 — Optical fibres and optical fibre bundles; optical fibre cables other than those of heading 8544; sheets and plates of polarising material; lenses (including contact lenses), prisms, mirrors and other optical elements, of any material, unmounted, other than such elements of glass not optically worked
Optical, Photographic, Medical Instruments · 0 trade measures · UK Trade Tariff from HMRC