Explanatory notes
… ‑ Objective lenses : 9002.11 ‑ ‑ For cameras, projectors or photographic enlargers or reducers 9002.19 ‑ ‑ … etc., for photographic or cinematographic cameras or for projectors. (2) Polarising filters for microscopes or … (polarimeters, etc.). (5) Mounted mirrors for telescopes, projectors, microscopes, medical or surgical instruments, …