- Hα 656.3 nm, 7 nm bandwidth
- Transmission ≥ 90%
- 1.25″ threaded (M28.5×0.6)
- Nebula narrowband filter
Narrowband Filters for mono imaging, single-band filters: Hα, OIII, SII etc.
Showing all 6 results
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Ha 7nm narrowband 1.25 inch Filter S-series
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Ha 7nm narrowband 2 inch Filter S-series
- Hα 656.3 nm, 7 nm bandwidth
- High transmission >90%
- 2″ threaded (M48x0.75)
- Narrowband imaging for nebulae
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OIII 7nm narrowband 1.25 inch Filter S-series
- OIII 500.7 nm, 7 nm bandwidth
- Transmission ≥ 90%
- 1.25″ threaded (M28.5×0.6)
- Ideal for bicolor imaging
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OIII 7nm narrowband 2 inch Filter S-series
- OIII 500.7 nm, 7 nm bandwidth
- ≥ 90% transmission
- 2″ threaded (M48x0.75)
- Ideal for HOO/SHO imaging
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SII 7nm narrowband 1.25 inch Filter S-series
- SII 672.4 nm, 7 nm bandwidth
- Transmission ≥ 90%
- 1.25″ threaded (M28.5×0.6)
- Narrowband filter for nebulae
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SII 7nm narrowband 2 inch Filter S-series
- SII 672.4 nm, 7 nm bandwidth
- 2″ threaded (M48x0.75)
- ≥ 90% transmission
- Designed for narrowband nebula imaging
