Section 18 Optical, photographic, cinematographic, measuring, checking, precision, medical or surgical instruments and apparatus; clocks and watches; musical instruments; parts and accessories thereof 90 Optical, photographic, cinematographic, measuring, checking, precision, medical or surgical instruments and apparatus; parts and accessories thereof 90 05 Binoculars, monoculars..., etc; other astronomical instruments... 90 05 90 Parts and accessories (including mountings) Commodity Code Description 90 05 90 00 Parts and accessories (including mountings)