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 06 Photographic (not cine-) cameras; photographic flashlight apparatus... 90 06 30 Cameras esp. designed for underwater use, aerial survey, medical/surgical exam.;... 90 06 30 00 Cameras esp. designed for underwater use, aerial survey, medical/surgical exam.;... Commodity Code Description 90 06 30 00 000 Cameras esp. designed for underwater use, aerial survey, medical/surgical exam.;...