English | eng-000 |
spreadlight roundel |
普通话 | cmn-000 | 偏光镜 |
English | eng-000 | Nicol |
English | eng-000 | Nicol prism |
English | eng-000 | deflecting roundel |
English | eng-000 | polarizer |
English | eng-000 | polarizing glass |
English | eng-000 | polarizing screen |
English | eng-000 | polarizing spectacles |
English | eng-000 | stereo-visor |