The DayStar 150mm Energy Rejection Filter is for use with refractor and Maksutov-style telescopes that fall within the 210mm diameter range aperture. This filter will absorb and reflect UV and/or IR light to reduce the energy intensity during solar applications.
Reduces heat load on your filter assembly during solar applications.
For use with general H-alpha, Sodium, and Helium D3 filters.
Please use in accordance with proper safety procedures during solar viewing and/or imaging.
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