- Description
- Specifications
The ToupTek 1.25" Ha/OIII Dual Narrowband Filter Set pairs H-alpha and OIII filters in 1.25" format for the most popular two-filter narrowband imaging workflow. Together these two filters capture the dominant emission from most nebulae and can be combined in bicolour or HOO palette processing.
- Included: H-alpha (7nm), OIII (7nm)
- Size: 1.25" (mounted)
- Bandpass: 7nm FWHM
- Coating: Ion-beam sputtered multi-layer
| Specification | Detail |
|---|---|
| Included Filters | H-alpha (656.3nm), OIII (500.7nm) |
| Bandpass (FWHM) | 7nm each |
| Filter Size | 1.25" mounted |
| Coating | Ion-beam sputtered multi-layer |
| Out-of-Band Blocking | OD4+ |
| Cell Material | Aluminium, anodized black |
| Ideal Use | Bicolour HOO imaging; most popular two-filter narrowband combination |
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