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Optolong Ha SII OIII Narrowband Telescope Filter Kit - 31mm
OL_HASIIOIII-31
471,00 €
Tasse incluse
- Optolong filters for tricolor CCD astrophotography
- Narrowband imaging with SHO set can be done with the moon up in heavy light pollution, so your equipment is not sitting dormant for several weeks
- Hubble look of images can be made by the combination of H-alpha, OIII-CCD, and SII-CCD, such as the famous "Pillars of Creation" (M16 Eagle Nebula)
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H-alpha 7nm filter is the most popular narrowband filter allowing7nm bandpass of light centered on a wavelength of 656nm. Extra narrowband SII-CCD 6.5nm and The OIII-CCD 6.5nmfiltersare designed for nebula observation allowing 6.5nm bandpassof light centered on a wavelength of 500nm (Oxygen-III) and 672nm (Sulfur-II) through, and reducing the transmission of certain wavelengths of light, specifically those produced by artificial light including mercury vapor, and both high and low pressure sodium vapor lights and the unwanted natural light caused by neutral oxygen emission in our atmosphere (i.e. skyglow)
included items
- H-alpha Filter
- SII Filter
- OIII Filter
- Applicazione filtro
- Fotografico
- Tipo di filtro
- Narrowband*~H-alpha*~OIII*~SII
- Filter size
- 31mm
Founded in China, Optolong specializes in astrophotography filters and optical accessories. Their innovative designs provide amateur astronomers with essential tools to enhance imaging quality and capture celestial details with greater clarity.
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