ZWO SII 7nm Filter 2"
Key specifications
| Filter type | Narrowband |
|---|---|
| Passband | SII 672nm |
| Bandwidth | 7 nm |
| Filter size | 2" |
| Mounted | Yes |
About
7 nm SII narrowband filter centred at 672 nm for emission, planetary nebulae and supernova remnants, used with Ha and OIII for SHO imaging; 2-inch threaded cell.