Characteristics
| Filter features | |
| Type | Color Conversion (81A) - "warm" |
| Degree | 81A |
| Size (diameter) | 77 mm |
| Filter Factor | 1.2 |
| Multilayer coating | None |
| Rotate | None |
| Effect | Warms the colors like the KR-1.5 Skylight filter but with a faint red tint |
| Application | Landscape photography, flash photography |
| Color temperature | Reduces the color temperature |
| Design | Schott glass |
| Cap size | … |
| Size of the front thread | … |


