 |
| |||
| neutral density filter | |||
| neutral light filter | |||
| attenuator filter; neutral filter; neutral-density filter; gray filter | |||
| серый светофильтр: 5 phrases in 4 subjects |
| Mass media | 2 |
| Military | 1 |
| Optics branch of physics | 1 |
| Technology | 1 |
|
| |||
| neutral density filter | |||
| neutral light filter | |||
| attenuator filter; neutral filter; neutral-density filter; gray filter | |||
| серый светофильтр: 5 phrases in 4 subjects |
| Mass media | 2 |
| Military | 1 |
| Optics branch of physics | 1 |
| Technology | 1 |