| English | eng-000 |
| neutral color filter | |
| 普通话 | cmn-000 | 中性滤光片 |
| 普通话 | cmn-000 | 中性滤色镜 |
| English | eng-000 | black glass |
| English | eng-000 | light-balancing filter |
| English | eng-000 | neutral colour filter |
| English | eng-000 | neutral density disc |
| English | eng-000 | neutral density filter |
| English | eng-000 | neutral filter |
| English | eng-000 | non-selective absorbent |
| English | eng-000 | non-selective absorber |