ZWO OIII 7nm Filter 31mm
Key specifications
| Filter type | Narrowband |
|---|---|
| Passband | OIII 500nm |
| Bandwidth | 7 nm |
| Filter size | Other |
| Mounted | No |
About
7 nm OIII narrowband filter centred at 500 nm for nebula imaging beyond RGB, including under light pollution; 31 mm round.