| 26701 | Astronomical equipment (optical) (manufacture) |
| 26701 | Auto correlator (optical) (manufacture) |
| 26701 | Binoculars (manufacture) |
| 26701 | Correlator (optical) (manufacture) |
| 26701 | Fibre optic apparatus (manufacture) |
| 26701 | Gunnery control instrument (optical) (manufacture) |
| 26701 | Infrared systems for night vision (manufacture) |
| 26701 | Laser (excluding complete equipment using laser components) (manufacture) |
| 26701 | Lenses (except ophthalmic) (manufacture) |
| 26701 | Magnifying glass (manufacture) |
| 26701 | Meteorological optical instruments (electronic) (manufacture) |
| 26701 | Monocular (manufacture) |
| 26701 | Observation telescopes (manufacture) |
| 26701 | Optical comparators (manufacture) |
| 26701 | Optical fire control equipment (manufacture) |
| 26701 | Optical gun sighting equipment (manufacture) |
| 26701 | Optical instruments and appliances (other than photographic goods) (manufacture) |
| 26701 | Optical machinist's precision tools (manufacture) |
| 26701 | Optical magnifying instruments (manufacture) |
| 26701 | Optical microscope (manufacture) |
| 26701 | Optical mirrors (manufacture) |
| 26701 | Optical positioning equipment (manufacture) |
| 26701 | Optical projector (meteorological) (manufacture) |
| 26701 | Periscopes (manufacture) |
| 26701 | Photometers (electronic) (manufacture) |
| 26701 | Range finder (optical) (manufacture) |
| 26701 | Range finders (optical) (manufacture) |
| 26701 | Sight telescopes (manufacture) |
| 26701 | Surveying instruments (optical) (manufacture) |
| 26701 | Telescope (manufacture) |
| 26701 | Telescopic sights (manufacture) |
| 26701 | Thread counters (manufacture) |
| 26701 | Wedge (optical) (manufacture) |
| 26701 | |