Baader Planetarium H-alpha Narrowband-Filter (6.5nm) – CMOS-optimized
Key specifications
| Filter type | Narrowband |
|---|---|
| Passband | H-alpha |
| Bandwidth | 6.5 nm |
About
A CMOS-optimized 6.5 nm FWHM H-alpha narrowband filter (Precision Grade) for optical systems slower than f/3.4, with Reflex-Blocker hard coatings, sealed coating edges and blackened edges; not for solar use.