| 3824.90.11 | 00 | Cultured crystals (other than optical elements of chapter 90), weighing not less than 2.5 g each: | | | | |
| 7014.00 | | Signaling glassware and optical elements of glass (other than those of heading 7015), not optically worked: | | | | |
| 7014.00.10 | 00 | Optical elements: | | | | |
| 7015 | | Clock or watch glasses and similar glasses, glasses for noncorrective or corrective spectacles, curved, bent, hollowed or the like, not optically worked; hollow glass spheres and their segments, for the manufacture of such glasses: | | | | |
| 8443.39.30 | 00 | Incorporating an optical system | No. | Free | | 35% |
| 8471 | | Automatic data processing machines and units thereof; magnetic or optical readers, machines for transcribing data onto data media in coded form and machines for processing such data, not elsewhere specified or included: | | | | |
| 8471.60.80 | 00 | Optical scanners and magnetic ink recognition devices | No. | Free | | 35% |
| 8475.21.00 | 00 | Machines for making optical fibers and preforms thereof. | No | Free | | 35% |
| 8477.10.40 | 00 | For use in the manufacture of optical media | No. | Free | | 35% |
| 8479.89.83 | 00 | Machines for the manufacturing of optical media | No. | Free | | 35% |
| 8519.81 | | Using magnetic, optical or semiconductor media: | | | | |
| 8519.81.30 | 10 | Optical disc (including compact disc) players | No. | | | |
| 8519.81.40 | 20 | Optical disc recorders | No. | | | |
| 8523.40 | | Optical media: | | | | |
| 8523.40.10 | 00 | Unrecorded optical media | X | Free | | 80% |
| 8523.40.20 | | Recorded optical media: | | | | |
| 8527.13.60 | 40 | Incorporating optical disc (including compact disc) players or recorders | No. | | | |
| 8527.21.10 | 10 | Incorporating optical disc (including compact disc) players or recorders | No. | | | |
| 8527.21.40 | 40 | Incorporating optical disc (including compact disc) players or recorders | No. | | | |
| 8527.91.60 | 40 | Incorporating optical disc (including compact disc) players or recorders | No. | | | |
| 8536 | | Electrical apparatus for switching or protecting electrical circuits, or for making connections to or in electrical circuits (for example, switches, relays, fuses, surge suppressors, plugs, sockets, lamp-holders and other connectors, junction boxes), for a voltage not exceeding 1,000 V; connectors for optical fibers, optical fiber bundles or cables: | | | | |
| 8536.50.70 | 00 | Electronic AC switches consisting of optically coupled input and output circuits (insulated thyristor AC switches); electronic switches, including temperature protected switches, consisting of a transistor and a logic chip (chip-on-chip technology); electromechanical snap-action switches for a current not exceeding 11 amps | No. | Free | | 35% |
| 8536.70.00 | 00 | Connectors for optical fibers, optical fiber bundles or cables | X | Free | | 45% |
| 8541.40.80 | 00 | Optical coupled isolators | No. | Free | | 35% |
| 8544 | | Insulated (including enameled or anodized) wire, cable (including coaxial cable) and other insulated electric conductors, whether or not fitted with connectors; optical fiber cables, made up of individually sheathed fibers, whether or not assembled with electric conductors or fitted with connectors: | | | | |
Harmonized Tariff Schedule of the United States inquiry: 534
