Filter · 2021–
Optolong SII 3nm 36mm
Key specifications
| Filter type | Narrowband |
|---|---|
| Passband | SII 672 nm |
| Bandwidth | 3 nm |
| Filter size | 36mm |
| Mounted | No |
About
3 nm SII narrowband imaging filter centered on 672 nm, part of the SHO-3nm kit; 36 mm unmounted.
Filter · 2021–
| Filter type | Narrowband |
|---|---|
| Passband | SII 672 nm |
| Bandwidth | 3 nm |
| Filter size | 36mm |
| Mounted | No |
3 nm SII narrowband imaging filter centered on 672 nm, part of the SHO-3nm kit; 36 mm unmounted.