Filter · MSRP $158
Antlia 7nm Narrowband Oxygen III (OIII) Prime Filter - 36mm Unmounted
Key specifications
| Filter type | Narrowband |
|---|---|
| Passband | OIII 500.7nm |
| Bandwidth | 7 nm |
| Filter size | 36mm |
| Mounted | No |
About
A 7nm FWHM OIII narrowband filter rated for 90% transmission at 500.7nm with OD4 blocking, with the wider bandpass letting it work on optics as fast as f/2.