ZWO OIII 7nm Filter 2"
Key specifications
| Filter type | Narrowband |
|---|---|
| Passband | OIII 500nm |
| Bandwidth | 7 nm |
| Filter size | 2" |
| Mounted | Yes |
All specifications
| Path length | 5 mm |
|---|
About
7 nm OIII narrowband filter centred at 500 nm for nebula imaging beyond RGB, including under light pollution; 2-inch threaded cell.