Description
- Two filters made into one for maximum brightness
- Combines Fringe-Killer with Moon & Skyglow for Semi-APO contrast with refractors
- Non-ageing sealed coating edges
Combination of "Neodymium Moon & Skyglow" and "Fringe Killer" Filters
Time and time again we were made aware of customers who were combining our Neodymium Moon and Skyglow filter with our Fringe Killers to deliver amazingly colour-corrected images to achromatic refractors. This combination however did produce reflections.
After analyzing these reports we developed our Baader Semi-APO filter with IR blocker, a reflection-free combination of the Moon & Skyglow with a stronger coating of the Fringe killer. This result was a virtually colour-neutral image without the blue and red halos (violet fringing) and an increase to image contrast.
Specifications
| Manufacturer | Baader Planetarium |
|---|---|
| Weight (kg) | 0.062 |
| Transmission Range | multiple bands (see spectral image) |
| Filter Thickness (without cell) | 1 mm |
| AR-Coating | Phantom Coating® Group, planeoptically polished |
| Filter Usage | CCD, Color Correction, IR-Cut |
| Filter mounted | Mounted (LPFC 6mm) |
| Type of Filter | Bandpass |
| Single or Set? | Single Filter |
| Filter shape | round |
Additional Resources
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