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 06 Photographic (other than cinematographic) cameras; photographic flashlight appar 90 06 30 90 06 30 00 Commodity Code Description 90 06 30 00 00 - Cameras specially designed for underwater use, for aerial survey or for medical or sur