ToupTek OIII 1.25" 7nm Narrowband Filter
Key specifications
| Filter type | Narrowband |
|---|---|
| Passband | OIII 500.7 nm |
| Bandwidth | 7 nm |
| Filter size | 1.25" |
| Mounted | Yes |
About
1.25-inch mounted OIII narrowband filter, 7 nm FWHM, quartz glass with IAD coating, from ToupTek's SHO set.