Baader Planetarium 7.5nm Solar Continuum Filter (540nm)
Key specifications
| Filter type | Narrowband |
|---|---|
| Passband | CWL 540 nm |
| Bandwidth | 7.5 nm |
About
A CMOS-optimized 7.5 nm narrowband continuum filter centred at 540 nm for white-light solar observation and imaging behind a solar filter or Herschel prism, boosting photospheric contrast and reducing the effect of seeing; replaces the earlier 10 nm and stacked versions.