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Narrowband Filters

Narrowband Filters

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  • Astrodon H-alpha Filter - 3nm
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    Astrodon H-alpha Filter - 3nm

    Astrodon

    US$564.00 - US$1,438.00
    H-α (hydrogen-alpha) at 656 nm (nanometers) is deep red in color and the most popular narrowband filter. Hydrogen is ubiquitous in the cosmos and is present in emission nebula (North American, Pelican), planetary nebula (Dumbbell, Ring), Wolf-Rayet...
    US$564.00 - US$1,438.00
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  • Astrodon H-alpha Filter - 5nm
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    Astrodon H-alpha Filter - 5nm

    Astrodon

    US$380.00 - US$1,024.00
    H-α (hydrogen-alpha) at 656 nm (nanometers) is deep red in color and the most popular narrowband filter. Hydrogen is ubiquitous in the cosmos and is present in emission nebula (North American, Pelican), planetary nebula (Dumbbell, Ring), Wolf-Rayet...
    US$380.00 - US$1,024.00
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  • Astrodon NII Filter - 3nm
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    Astrodon NII Filter - 3nm

    Astrodon

    US$564.00 - US$1,438.00
    What about NII and H-a? This is a bit complicated. It is not well known that most H-a filters pass both H-a and NII. H-a emits at 656.3 nm and NII emits most strongly at 658.4 nm (and weakly at 653.8 nm). These are very close together spectrally. Thus,...
    US$564.00 - US$1,438.00
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  • Astrodon OIII Filter - 3nm
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    Astrodon OIII Filter - 3nm

    Astrodon

    US$564.00 - US$1,438.00
    The next filter to complement your LRGBH-a set is an oxygen filter. OIII (“ohthree”) emits light near 500 nm and is a blue-green- or teal-colored filter. Many of my images of planetary nebula and supernova remnants are taken only with H-a and...
    US$564.00 - US$1,438.00
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  • Astrodon OIII Filter - 5nm
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    Astrodon OIII Filter - 5nm

    Astrodon

    US$380.00 - US$1,024.00
    The next filter to complement your LRGBH-a set is an oxygen filter. OIII (“ohthree”) emits light near 500 nm and is a blue-green- or teal-colored filter. Many of my images of planetary nebula and supernova remnants are taken only with H-a and...
    US$380.00 - US$1,024.00
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  • Astrodon Red Continuum - 5nm
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    Astrodon Red Continuum - 5nm

    Astrodon

    US$380.00 - US$1,024.00
    This Red Continuum filter (645 nm, 5 nm FWHM) produces a star map without the H-a or SII emission in order to subtract stars from emission images. Astrodon NB filters are renowned for not producing halos around stars and not leaking NIR light. When it...
    US$380.00 - US$1,024.00
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  • Astrodon SII Filter - 3nm
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    Astrodon SII Filter - 3nm

    Astrodon

    US$564.00 - US$1,438.00
    If you want the look of Hubble Space Telescope (HST) images, such as the famous “Pillars of Creation” (the Eagle Nebula, Messier 16), then the next filter to consider adding to your collection after H-a and OIII is the SII (es-two) or sulfur...
    US$564.00 - US$1,438.00
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  • Astrodon SII Filter - 5nm
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    Astrodon SII Filter - 5nm

    Astrodon

    US$380.00 - US$1,024.00
    If you want the look of Hubble Space Telescope (HST) images, such as the famous “Pillars of Creation” (the Eagle Nebula, Messier 16), then the next filter to consider adding to your collection after H-a and OIII is the SII (es-two) or sulfur...
    US$380.00 - US$1,024.00
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  • Atik Narrowband Filter Kit- H-alpha, OIII, SII-1 Atik Narrowband Filter Kit- H-alpha, OIII, SII-2
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    Atik Narrowband Filter Kit- H-alpha, OIII, SII

    Atik Cameras

    US$470.00 - US$725.00
    Special offer – Get 50% off any (or all) filter sets, when you buy any Atik mono camera (with the exception of the Atik GP).The SHO narrow band filter set is compatible with our filter wheels and allows astrophotographers to capture deep-sky objects in...
    US$470.00 - US$725.00
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  • Baader f/2 Highspeed-Filter Set - H-alpha/O-III/S-II-1 Baader f/2 Highspeed-Filter Set - H-alpha/O-III/S-II-2
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    Baader 3.5/4nm f/2 Ultra-Highspeed Filter Set - CMOS-Optimized H-alpha/O-III/S-II

    Baader Planetarium

    US$844.00 - US$1,879.00
    f/2 Highspeed Filterset consisting of 3 Filter: H-alpha, O III and S II. Highspeed Narrowband Filter are designed especially for the delicate requirements of extremely fast astrograph optics, in particular Hyperstar and RASAConventional narrowband...
    US$844.00 - US$1,879.00
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  • Baader f/2 Highspeed-Filter Set - H-alpha/O-III/S-II-1 Baader f/2 Highspeed-Filter Set - H-alpha/O-III/S-II-2
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    Baader 6.5nm f/2 Highspeed Filter Set - CMOS-Optimized H-alpha/O-III/S-II

    Baader Planetarium

    US$489.00 - US$1,169.00
    f/2 Highspeed Filterset consisting of 3 Filter: H-alpha, O III and S II. Highspeed Narrowband Filter are designed especially for the delicate requirements of extremely fast astrograph optics, in particular Hyperstar and RASAConventional narrowband...
    US$489.00 - US$1,169.00
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  • Baader H-Alpha CCD Filter -35nm-1 Baader H-Alpha CCD Filter -35nm-2
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    Baader H-Alpha CCD Filter -35nm

    Baader Planetarium

    US$109.00 - US$264.00
    Premium grade H-alpha interline chip CCD-filter for fast optical systems f/10 to f/2.8IR-blockedNO halos, NO reflections, NO ghostingNon-aging sealed coating edgesBaader's new H-Alpha passfilter enables high-contrast deep sky images of H-II regions (such...
    US$109.00 - US$264.00
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    US$109.00 - US$264.00
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  • Baader Narrowband H-Alpha Filter - 7nm-1 Baader Narrowband H-Alpha Filter - 7nm-2

    Baader Narrowband H-Alpha Filter - 7nm

    Baader Planetarium

    NEW: Baader H-alpha CCD-Narrowband-Filter 7nm with 31 diameterPremium grade H-alpha full frame chip CCD-filter for fast optical systems f/10 to f/2.8IR-blockedNO halos, NO reflections, NO ghostingNon-aging sealed coating edgesCCD imagers will find...
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  • Baader Narrowband H-Beta Filter - 8.5nm-1 Baader Narrowband H-Beta Filter - 8.5nm-2

    Baader Narrowband H-Beta Filter - 8.5nm

    Baader Planetarium

    1¼" Baader H-Beta CCD-filter 8,5nm with 1¼" (28,5mm) filter threadFor focal ratios between f10 and f2.8H-Beta-CCD-narrowband-filters can also be used for visual observations! (A high-quality alternative to the old...
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  • Baader Narrowband OIII Filter - 8.5nm-1 Baader Narrowband OIII Filter - 8.5nm-2

    Baader Narrowband OIII Filter - 8.5nm

    Baader Planetarium

    Premium grade O-III CCD-filter for fast optical systems f/10 to f/2.8IR-blockedNO halos, NO reflections, NO ghostingnon-aging sealed coating edgesCCD imagers will find Baader's Premium Narrowband CCD passfilters to deliver the absolute highest contrast...
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  • Baader Narrowband SII Filter - 8nm-1 Baader Narrowband SII Filter - 8nm-2

    Baader Narrowband SII Filter - 8nm

    Baader Planetarium

    3 mm glass thicknessnon-ageing sealed coating edgesCCD imagers will find Baader's Premium Narrowband CCD passfilters to deliver the absolute highest contrast deep sky images in H-Alpha, H-Beta, Oxygen III, and Sulfur-II, with the shortest exposures...
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  • Baader Ultra-Narrowband H-alpha Filter - 3.5nm-1 Baader Ultra-Narrowband H-alpha Filter - 3.5nm-2

    Baader Ultra-Narrowband H-alpha Filter - 3.5nm

    Baader Planetarium

    Precision grade enforced H-alpha filter for f/10 to f/3.5 optical systemsOpens up the extremely narrow 3,5nm H-alpha worldThis enforced contrast results in even fainter stars, providing more signal of faintest nebulae detailManufacturing such...
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  • Baader Ultra-Narrowband OIII Filter - 4.5nm-1 Baader Ultra-Narrowband OIII Filter - 4.5nm-2

    Baader Ultra-Narrowband OIII Filter - 4.5nm

    Baader Planetarium

    Premium grade O-III CCD-filter for fast optical systems f/8 to f/3IR-blockedNO halos, NO reflections, NO ghostingnon-aging sealed coating edgesBaader's New Ultra Narrowband Enforced FiltersThese three sizes of Ultra-Narrowband filters open up the...
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