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Astrodon Narrowband filter Red Continuum 5nm filter 1.25 inch mounted
Astrodon Red Continuum filter (645 nm, 5nm FWHM) produces a star map without the H-a or SII emission in order to subtract stars from emission images.
- Filter Application
- Photographic
- Filter Type
- Narrowband
- Filter size
- 1¼ inch (31.75mm)
Founded in the USA, Astrodon specializes in advanced astrophotography filters and tools. Their innovative products, crafted for serious astronomers, enable refined imaging techniques, providing opportunities to gather deep-sky data with unmatched clarity.