Orange Series filters are often used to enhance landscapes, marine scenes and aerial photography with more dramatic effects than the Yellow 15 filter. As the filter number advances, the dramatic effects increase. With the Orange 21 filter, blue and bluegreen tones are absorbed, while making blue tones darker as in marine scenes.
- Deeper than Yellow 16 filter
- Produces more dramatic effects than yellow filter
- 49mm diameter
- Primarily for black-and-white imaging