Filter · MSRP $225
Antlia 4.5nm Narrowband Oxygen III (OIII) EDGE Filter - 36mm Unmounted
Key specifications
| Filter type | Narrowband |
|---|---|
| Passband | OIII 500.7nm |
| Bandwidth | 4.5 nm |
| Filter size | 36mm |
| Mounted | No |
About
A 4.5nm FWHM OIII narrowband filter that carries the 3nm Pro series' OD5 blocking and transmission characteristics to a wider bandpass, rated for >85% transmission at 500.7nm and usable on systems as fast as f/3.