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 07 Cinematographic cameras and projectors.... 90 07 92 Parts and accessories for projectors Commodity Code Description 90 07 92 00 Parts and accessories for projectors