Description
- ultra hard and bright O-III visual contrast for 6" and larger telescopes
- no visual color fringing, just pure O-III
- non-ageing sealed coating edges
Specifications
Additional Information
| Manufacturer | Baader Planetarium |
|---|---|
| Weight (kg) | 0.065 |
| Colour | Black |
| Transmission Range | O-III |
| Filter Thickness (without cell) | 2 mm |
| HBW (Halfbandwidth) | 10nm |
| CWL (Central Wavelength) | 502 nm |
| AR-Coating | dielectrically coated, planeoptically polished |
| Filter Usage | Contrast Enhancement, O-III, Planetary |
| Filter mounted | Mounted (LPFC 6mm) |
| Type of Filter | Narrowband |
| Single or Set? | Single Filter |
| Filter shape | round |