Section 18 OPTICAL, PHOTOGRAPHIC, CINEMATOGRAPHIC, MEASURING, CHECKING, PRECISION , MEDICAL OR SURGICAL INSTRUMENTS AND APPARATUS; CLOCKS AND WATCHES; M USICAL INSTRUMENTS; PARTS AND ACCESSORIES THEREOF 90 Optical, photographic, cinematographic measuring, checking, precision, medical o 90 08 Image projectors, other than cinematographic; photographic (other than cinematog 90 08 50 90 08 50 00 Commodity Code Description 90 08 50 00 00 - Projectors, enlargers and reducers 90 08 90 00 00 - Parts and accessories