Optolong H-Alpha 7nm 50x50mm
Key specifications
| Filter type | Narrowband |
|---|---|
| Passband | Ha 656 nm |
| Bandwidth | 7 nm |
| Filter size | Other |
About
Improved-version 7 nm H-alpha narrowband imaging filter centered on 656 nm; 50 x 50 mm square, 3.0 mm thick.
| Filter type | Narrowband |
|---|---|
| Passband | Ha 656 nm |
| Bandwidth | 7 nm |
| Filter size | Other |
Improved-version 7 nm H-alpha narrowband imaging filter centered on 656 nm; 50 x 50 mm square, 3.0 mm thick.