Filter · MSRP $395
Antlia H-Beta 3nm Pro Narrowband Filter - 2" Mounted
Key specifications
| Filter type | Narrowband |
|---|---|
| Passband | H-beta 486.1nm |
| Bandwidth | 3 nm |
| Filter size | 2" |
| Mounted | Yes |
About
A 3nm FWHM H-beta narrowband filter on a single non-glued substrate, rated for 88% transmission at 486.1nm and OD5 out-of-band blocking, usable on systems as fast as f/3.