Orion UltraBlock 1.25"

Key specifications
| Filter type | Narrowband |
|---|---|
| Passband | OIII + H-beta |
| Filter size | 1.25" |
| Mounted | Yes |
About
Narrowband nebula filter isolating the OIII and H-beta emission lines for emission/planetary nebulae.

| Filter type | Narrowband |
|---|---|
| Passband | OIII + H-beta |
| Filter size | 1.25" |
| Mounted | Yes |
Narrowband nebula filter isolating the OIII and H-beta emission lines for emission/planetary nebulae.