Orion UltraBlock 2"
Key specifications
| Filter type | Narrowband |
|---|---|
| Passband | OIII + H-beta |
| Filter size | 2" |
| Mounted | Yes |
About
2-inch narrowband nebula filter for OIII and H-beta emission lines.
| Filter type | Narrowband |
|---|---|
| Passband | OIII + H-beta |
| Filter size | 2" |
| Mounted | Yes |
2-inch narrowband nebula filter for OIII and H-beta emission lines.