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 (M28.5x0.6)
SII 7nm narrowband 1.25 inch Filter S-series | AstroGear
