The Player One Hα 7 nm 1.25″ Filter (S-Series) isolates the 656.3 nm hydrogen-alpha line, perfect for capturing emission nebulae and star-forming regions in high contrast with mono astrophotography cameras.
Key Features
- CWL: 656.3 nm; Bandwidth: 7 nm
- Transmission > 90%
- 1.25″ mount; M28.5×0.6 thread
Why Choose This Product?
- Sharp contrast on nebulae:
Isolates Hα emission from stars and background light. - High efficiency:
≥ 90% transmission of target wavelength. - Fits all 1.25″ holders:
Standard size for wheels and drawers. - Essential for narrowband SHO imaging:
Combine with SII and OIII filters.
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