The Player One SII 7 nm 1.25″ Filter (S-Series) is designed for capturing narrowband images of Sulfur-II emission regions in nebulae, using cooled mono cameras with high precision and contrast.
Key Features
- CWL: 672.4 nm; Bandwidth: 7 nm
- ≥ 90% transmission
- 1.25″ threaded (M28.5×0.6)
Why Choose This Product?
- Enables SHO imaging:
Captures sulfur emission to complete the tri-band palette. - High signal isolation:
Sharp 7 nm bandpass removes light pollution. - Fits all 1.25″ filter holders:
Compatible with drawers, wheels, OAGs. - Durable design:
Multi-layer coatings resist degradation and halos.
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