ZWO Narrowband 7nm Filter Set 2"
Key specifications
| Filter type | Narrowband |
|---|---|
| Passband | Ha 656 / SII 672 / OIII 500nm |
| Bandwidth | 7 nm |
| Filter size | 2" |
About
7 nm narrowband filter set with H-alpha, SII and OIII transmission data, for high-contrast nebula imaging under light pollution; 2-inch size.