1) фильтр [c crimson]|| фильтровать
2) светофильтр
- filter out
- filter of subtractive primary colors
- additive color filter
- amber filter
- "C" filter
- color filter
- color separation filter
- contrast filter
- corrective filter
- darkroom filter
- film filter
- gelatine filter
- gray filter
- heat filter
- infrared filter
- interference filter
- light filter
- multiple filter
- narrow-band filter
- narrow-cut filter
- neutral density filter
- protective filter
- photometric filter
- ray filter
- safelight filter
- sharp-cut filter
- tricolor filters
- wide-band filter