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 |