Coronado SM40 filter set with secondary 15mm blocking filter. Maximized for telescopes under 1500mm to adapt to solar H-alpha observing. Adapter for primary etalon blocking filter required.
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Details and Specifications
Coronado SM40 filter set. Maximized for telescopes under 1500mm to allow solar H-alpha observing. Superior
Specifications for 0.5SolarMax 40/BF15/TMax/SM40/TMax
Compatibility
See text
Function
40mm Ha filter set
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