- Description
- Specifications
The ToupTek 2" Ha/OIII Dual Narrowband Filter Set pairs H-alpha and OIII filters in 2" format for large-format sensors and fast telescopes. Capture the dominant nebular emission lines in a simple two-filter workflow, ideal for HOO or bicolour imaging.
- Included: H-alpha (7nm), OIII (7nm)
- Size: 2" (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 | 2" mounted |
| Coating | Ion-beam sputtered multi-layer |
| Out-of-Band Blocking | OD4+ |
| Cell Material | Aluminium, anodized black |
| Ideal Use | Bicolour HOO imaging on large-format and full-frame sensors |
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