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Have a question? We'd love to help. Email: info@allstartelescope.com Call Us: (587) 336-6621 Toll Free: 1 (866) 310-8844

SHO Astrophotography Filters

  • ZWO H-alpha (Ha) Narrowband 7nm Filter 1.25" (ZWO-HA7NM1.25)
    Original price $167.70 - Original price $167.70
    Original price
    $167.70
    $167.70 - $167.70
    Current price $167.70

    ZWO H-alpha (Ha) Narrowband 7nm Filter 1.25" (ZWO-HA7NM1.25)

    ZWO

    Narrowband filter does not eliminate the effects of light pollution or increase the object’s brightness. In many cases, they increase the contrast ...

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    Original price $167.70 - Original price $167.70
    Original price
    $167.70
    $167.70 - $167.70
    Current price $167.70
  • ZWO OIII Narrowband 7nm Filter 1.25" (ZWO-OIII7NM1.25)
    Original price $167.70 - Original price $167.70
    Original price
    $167.70
    $167.70 - $167.70
    Current price $167.70

    ZWO OIII Narrowband 7nm Filter 1.25" (ZWO-OIII7NM1.25)

    ZWO

    Narrowband filter does not eliminate the effects of light pollution or increase the object’s brightness. In many cases, they increase the contrast...

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    Original price $167.70 - Original price $167.70
    Original price
    $167.70
    $167.70 - $167.70
    Current price $167.70
  • ZWO 1.25" SII 7nm Filter (ZWO-SII7NM1.25)
    Original price $167.70 - Original price $167.70
    Original price
    $167.70
    $167.70 - $167.70
    Current price $167.70

    ZWO 1.25" SII 7nm Filter (ZWO-SII7NM1.25)

    ZWO

    Narrowband filter does not eliminate the effects of light pollution or increase the object’s brightness. In many cases, they increase the contrast...

    View full details
    Original price $167.70 - Original price $167.70
    Original price
    $167.70
    $167.70 - $167.70
    Current price $167.70
  • ZWO 31mm Ha 7nm Unmounted Filter (ZWO-HA7NMD31)
    Original price $193.70 - Original price $193.70
    Original price
    $193.70
    $193.70 - $193.70
    Current price $193.70

    ZWO 31mm Ha 7nm Unmounted Filter (ZWO-HA7NMD31)

    ZWO

    Narrowband filter do not eliminate the effects of light pollution or increase the object’s brightness. In many cases, they increase the contrast b...

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    Original price $193.70 - Original price $193.70
    Original price
    $193.70
    $193.70 - $193.70
    Current price $193.70
  • ZWO 31mm OIII 7nm Unmounted Filter (ZWO-OIII7NMD31)
    Original price $193.70 - Original price $193.70
    Original price
    $193.70
    $193.70 - $193.70
    Current price $193.70

    ZWO 31mm OIII 7nm Unmounted Filter (ZWO-OIII7NMD31)

    ZWO

    Narrowband filter do not eliminate the effects of light pollution or increase the object’s brightness. In many cases, they increase the contrast b...

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    Original price $193.70 - Original price $193.70
    Original price
    $193.70
    $193.70 - $193.70
    Current price $193.70
  • ZWO 31mm SII 7nm Filter Unmounted (ZWO-SII7NMD31)
    Original price $193.70 - Original price $193.70
    Original price
    $193.70
    $193.70 - $193.70
    Current price $193.70

    ZWO 31mm SII 7nm Filter Unmounted (ZWO-SII7NMD31)

    ZWO

    Narrowband filter do not eliminate the effects of light pollution or increase the object’s brightness. In many cases, they increase the contrast b...

    View full details
    Original price $193.70 - Original price $193.70
    Original price
    $193.70
    $193.70 - $193.70
    Current price $193.70
  • Optolong OIII 6.5nm Narrowband Filter 1.25" Mounted (OPT-OIII-65NM-125)
    Optolong OIII 6.5nm Narrowband Filter 1.25" Mounted (OPT-OIII-65NM-125)
    Original price $204.95 - Original price $204.95
    Original price
    $204.95
    $204.95 - $204.95
    Current price $204.95

    Optolong OIII 6.5nm Narrowband Filter 1.25" Mounted (OPT-OIII-65NM-125)

    Optolong

    Optolong improved extra Narrowband OIII-CCD 6.5nm filter is designed for nebula observation allowing 6.5nm bandwidth of light centered on a wavelen...

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    Original price $204.95 - Original price $204.95
    Original price
    $204.95
    $204.95 - $204.95
    Current price $204.95
  • Optolong SII 6.5nm Narrowband Filter 1.25" Mounted  (OPT-SII-65NM-1.25)
    Optolong SII 6.5nm Narrowband Filter 1.25" Mounted  (OPT-SII-65NM-1.25)
    Original price $204.95 - Original price $204.95
    Original price
    $204.95
    $204.95 - $204.95
    Current price $204.95

    Optolong SII 6.5nm Narrowband Filter 1.25" Mounted (OPT-SII-65NM-1.25)

    Optolong

    Optolong improved narrowband SII6.5nm filter (Sulfur II for CCD) is designed for nebula observation allowing 6.5nm bandwidth of light centered on a...

    View full details
    Original price $204.95 - Original price $204.95
    Original price
    $204.95
    $204.95 - $204.95
    Current price $204.95
  • ZWO 36mm Ha 7nm Unmounted Filter (ZWO-HA7NMD36)
    Original price $219.70 - Original price $219.70
    Original price
    $219.70
    $219.70 - $219.70
    Current price $219.70

    ZWO 36mm Ha 7nm Unmounted Filter (ZWO-HA7NMD36)

    ZWO

    Narrowband filter do not eliminate the effects of light pollution or increase the object’s brightness. In many cases, they increase the contrast b...

    View full details
    Original price $219.70 - Original price $219.70
    Original price
    $219.70
    $219.70 - $219.70
    Current price $219.70
  • ZWO 36mm OIII 7nm Unmounted Filter (ZWO-OIII7NMD36)
    Original price $219.70 - Original price $219.70
    Original price
    $219.70
    $219.70 - $219.70
    Current price $219.70

    ZWO 36mm OIII 7nm Unmounted Filter (ZWO-OIII7NMD36)

    ZWO

    Narrowband filter do not eliminate the effects of light pollution or increase the object’s brightness. In many cases, they increase the contrast b...

    View full details
    Original price $219.70 - Original price $219.70
    Original price
    $219.70
    $219.70 - $219.70
    Current price $219.70
  • ZWO 36mm SII 7nm Unmounted Filter (ZWO-SII7NMD36)
    Original price $219.70 - Original price $219.70
    Original price
    $219.70
    $219.70 - $219.70
    Current price $219.70

    ZWO 36mm SII 7nm Unmounted Filter (ZWO-SII7NMD36)

    ZWO

    Narrowband filter do not eliminate the effects of light pollution or increase the object’s brightness. In many cases, they increase the contrast b...

    View full details
    Original price $219.70 - Original price $219.70
    Original price
    $219.70
    $219.70 - $219.70
    Current price $219.70
  • Optolong H-Alpha 7nm Narrowband Filter 1.25" Mounted (OPT-H-ALPHA-7NM-125)
    Optolong H-Alpha 7nm Narrowband Filter 1.25" Mounted (OPT-H-ALPHA-7NM-125)
    Original price $224.95 - Original price $224.95
    Original price
    $224.95
    $224.95 - $224.95
    Current price $224.95

    Optolong Hydrogen-Alpha 7nm Narrowband Filter 1.25" Mounted (OPT-H-ALPHA-7NM-125)

    Optolong

    Optolong improved version of Hydrogen-Alpha 7nm filter is the popular narrowband filter allowing 7nm bandwidth of light centered on a wavelength of...

    View full details
    Original price $224.95 - Original price $224.95
    Original price
    $224.95
    $224.95 - $224.95
    Current price $224.95
  • Optolong H-Alpha 7nm Narrowband Filter 36mm Unmounted (OPT-H-ALPHA-7NM-36MM)
    Optolong H-Alpha 7nm Narrowband Filter 36mm Unmounted (OPT-H-ALPHA-7NM-36MM)
    Special Order - Contact Us
    Original price $249.95 - Original price $249.95
    Original price
    $249.95
    $249.95 - $249.95
    Current price $249.95

    Optolong H-Alpha 7nm Narrowband Filter 36mm Unmounted (OPT-H-ALPHA-7NM-36MM)

    Optolong

    Optolong improved version of H-Alpha 7nm filter is the popular narrowband filter allowing 7nm bandwidth of light centered on a wavelength of 656nm ...

    View full details
    Original price $249.95 - Original price $249.95
    Original price
    $249.95
    $249.95 - $249.95
    Current price $249.95
    Special Order - Contact Us
  • Optolong OIII 6.5nm Narrowband Filter 36mm Unmounted (OPT-OIII-65NM-36MM)
    Optolong OIII 6.5nm Narrowband Filter 36mm Unmounted (OPT-OIII-65NM-36MM)
    Special Order - Contact Us
    Original price $249.95 - Original price $249.95
    Original price
    $249.95
    $249.95 - $249.95
    Current price $249.95

    Optolong OIII 6.5nm Narrowband Filter 36mm Unmounted (OPT-OIII-65NM-36MM)

    Optolong

    Optolong improved extra Narrowband OIII-CCD 6.5nm filter is designed for nebula observation allowing 6.5nm bandwidth of light centered on a wavelen...

    View full details
    Original price $249.95 - Original price $249.95
    Original price
    $249.95
    $249.95 - $249.95
    Current price $249.95
    Special Order - Contact Us
  • Optolong SII 6.5nm Narrowband Filter 36mm Unmounted (OPT-SII-65NM-36)
    Optolong SII 6.5nm Narrowband Filter 36mm Unmounted (OPT-SII-65NM-36)
    Special Order - Contact Us
    Original price $249.95 - Original price $249.95
    Original price
    $249.95
    $249.95 - $249.95
    Current price $249.95

    Optolong SII 6.5nm Narrowband Filter 36mm Unmounted (OPT-SII-65NM-36)

    Optolong

    Optolong improved narrowband SII6.5nm filter (Sulfur II for CCD) is designed for nebula observation allowing 6.5nm bandwidth of light centered on a...

    View full details
    Original price $249.95 - Original price $249.95
    Original price
    $249.95
    $249.95 - $249.95
    Current price $249.95
    Special Order - Contact Us
  • ZWO 2" Ha 7nm Filter (ZWO-HA7NM2)
    ZWO 2" Ha 7nm Filter (ZWO-HA7NM2)
    Original price $323.70 - Original price $323.70
    Original price
    $323.70
    $323.70 - $323.70
    Current price $323.70

    ZWO 2" Ha 7nm Filter (ZWO-HA7NM2)

    ZWO

    Narrowband filter does not eliminate the effects of light pollution or increase the object’s brightness. In many cases, they increase the contrast ...

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    Original price $323.70 - Original price $323.70
    Original price
    $323.70
    $323.70 - $323.70
    Current price $323.70
  • ZWO 2" OIII Filter 7nm (ZWO-OIII7NMD2)
    Original price $323.70 - Original price $323.70
    Original price
    $323.70
    $323.70 - $323.70
    Current price $323.70

    ZWO 2" OIII Filter 7nm (ZWO-OIII7NMD2)

    ZWO

    Narrowband filter does not eliminate the effects of light pollution or increase the object’s brightness. In many cases, they increase the contrast...

    View full details
    Original price $323.70 - Original price $323.70
    Original price
    $323.70
    $323.70 - $323.70
    Current price $323.70
  • ZWO 2" SII filter 7nm (ZWO-SII7NM2)
    Original price $323.70 - Original price $323.70
    Original price
    $323.70
    $323.70 - $323.70
    Current price $323.70

    ZWO 2" SII filter 7nm (ZWO-SII7NM2)

    ZWO

    Narrowband filter does not eliminate the effects of light pollution or increase the object’s brightness. In many cases, they increase the contrast...

    View full details
    Original price $323.70 - Original price $323.70
    Original price
    $323.70
    $323.70 - $323.70
    Current price $323.70
  • Optolong OIII 6.5nm Narrowband Filter 2" Mounted (OPT-OIII-65NM-2)
    Optolong OIII 6.5nm Narrowband Filter 2" Mounted (OPT-OIII-65NM-2)
    Original price $325.95 - Original price $325.95
    Original price
    $325.95
    $325.95 - $325.95
    Current price $325.95

    Optolong OIII 6.5nm Narrowband Filter 2" Mounted (OPT-OIII-65NM-2)

    Optolong

    Optolong improved extra Narrowband OIII-CCD 6.5nm filter is designed for nebula observation allowing 6.5nm bandwidth of light centered on a wavelen...

    View full details
    Original price $325.95 - Original price $325.95
    Original price
    $325.95
    $325.95 - $325.95
    Current price $325.95
  • Optolong SII 6.5nm Narrowband Filter 2" Mounted (OPT-SII-65NM-2)
    Optolong SII 6.5nm Narrowband Filter 2" Mounted (OPT-SII-65NM-2)
    Original price $325.95 - Original price $325.95
    Original price
    $325.95
    $325.95 - $325.95
    Current price $325.95

    Optolong SII 6.5nm Narrowband Filter 2" Mounted (OPT-SII-65NM-2)

    Optolong

    Optolong improved narrowband SII6.5nm filter (Sulfur II for CCD) is designed for nebula observation allowing 6.5nm bandwidth of light centered on a...

    View full details
    Original price $325.95 - Original price $325.95
    Original price
    $325.95
    $325.95 - $325.95
    Current price $325.95
  • Optolong H-Alpha 7nm Narrowband Filter 2" Mounted (OPT-H-ALPHA-7NM-2)
    Optolong H-Alpha 7nm Narrowband Filter 2" Mounted (OPT-H-ALPHA-7NM-2)
    Original price $331.95 - Original price $331.95
    Original price
    $331.95
    $331.95 - $331.95
    Current price $331.95

    Optolong Hydrogen-Alpha 7nm Narrowband Filter 2" Mounted (OPT-H-ALPHA-7NM-2)

    Optolong

    Optolong improved version of Hydrogen-Alpha 7nm filter is the popular narrowband filter allowing 7nm bandwidth of light centered on a wavelength of...

    View full details
    Original price $331.95 - Original price $331.95
    Original price
    $331.95
    $331.95 - $331.95
    Current price $331.95
  • Antlia 3nm Narrowband H-Alpha (Ha) Pro 1.25" Mounted (H-ALPHA-3NM-PRO-125)
    Special Order - Contact Us
    Original price $344.95 - Original price $344.95
    Original price
    $344.95
    $344.95 - $344.95
    Current price $344.95

    Antlia 3nm Narrowband H-Alpha (Ha) Pro 1.25" Mounted (H-ALPHA-3NM-PRO-125)

    Antlia

    Antlia H-alpha Pro narrowband filter optimizes the FWHM (full width half maximum) to 3nm bandpass. As the bandwidth becomes narrower, the 3nm Pro n...

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    Original price $344.95 - Original price $344.95
    Original price
    $344.95
    $344.95 - $344.95
    Current price $344.95
    Special Order - Contact Us
  • Antlia 3nm Narrowband Sulfur II (SII) Pro 1.25" Mounted (SII-3NM-PRO-125)
    Special Order - Contact Us
    Original price $344.95 - Original price $344.95
    Original price
    $344.95
    $344.95 - $344.95
    Current price $344.95

    Antlia 3nm Narrowband Sulfur II (SII) Pro 1.25" Mounted (SII-3NM-PRO-125)

    Antlia

    Antlia SII Pro narrowband filter optimizes the FWHM (full width half maximum) to 3nm bandpass. As the bandwidth becomes narrower, the 3nm Pro narro...

    View full details
    Original price $344.95 - Original price $344.95
    Original price
    $344.95
    $344.95 - $344.95
    Current price $344.95
    Special Order - Contact Us
  • Antlia 3nm Narrowband H-Alpha (Ha) Pro 31mm Unmounted (H-ALPHA-3NM-PRO-31MM)
    Original price $369.95 - Original price $369.95
    Original price
    $369.95
    $369.95 - $369.95
    Current price $369.95

    Antlia 3nm Narrowband H-Alpha (Ha) Pro 31mm Unmounted (H-ALPHA-3NM-PRO-31MM)

    Antlia

    Antlia H-alpha Pro narrowband filter optimizes the FWHM (full width half maximum) to 3nm bandpass. As the bandwidth becomes narrower, the 3nm Pro n...

    View full details
    Original price $369.95 - Original price $369.95
    Original price
    $369.95
    $369.95 - $369.95
    Current price $369.95
  • Antlia 3nm Narrowband Sulfur II (SII) Pro 31mm Unmounted (SII-3NM-PRO-31MM)
    Original price $369.95 - Original price $369.95
    Original price
    $369.95
    $369.95 - $369.95
    Current price $369.95

    Antlia 3nm Narrowband Sulfur II (SII) Pro 31mm Unmounted (SII-3NM-PRO-31MM)

    Antlia

    Antlia SII Pro narrowband filter optimizes the FWHM (full width half maximum) to 3nm bandpass. As the bandwidth becomes narrower, the 3nm Pro narro...

    View full details
    Original price $369.95 - Original price $369.95
    Original price
    $369.95
    $369.95 - $369.95
    Current price $369.95
  • Antlia OIII 3nm Pro 1.25" Mounted (OIII-3NM-PRO-125)
    Special Order - Contact Us
    Original price $384.95 - Original price $384.95
    Original price
    $384.95
    $384.95 - $384.95
    Current price $384.95

    Antlia OIII 3nm Pro 1.25" Mounted (OIII-3NM-PRO-125)

    Antlia

    Antlia OIII Pro narrowband filter optimizes the FWHM (full width half maximum) to 3nmbandpass. As the bandwidth becomes narrower, the 3nm Pro narro...

    View full details
    Original price $384.95 - Original price $384.95
    Original price
    $384.95
    $384.95 - $384.95
    Current price $384.95
    Special Order - Contact Us
  • Antlia OIII 3nm Pro 31mm Unmounted (OIII-3NM-PRO-31MM)
    Original price $409.95 - Original price $409.95
    Original price
    $409.95
    $409.95 - $409.95
    Current price $409.95

    Antlia OIII 3nm Pro 31mm Unmounted (OIII-3NM-PRO-31MM)

    Antlia

    Antlia OIII Pro narrowband filter optimizes the FWHM (full width half maximum) to 3nmbandpass. As the bandwidth becomes narrower, the 3nm Pro narro...

    View full details
    Original price $409.95 - Original price $409.95
    Original price
    $409.95
    $409.95 - $409.95
    Current price $409.95
  • Antlia 3nm Narrowband H-Alpha (Ha) Pro 36mm Unmounted (H-ALPHA-3NM-PRO-36MM)
    Original price $422.95 - Original price $422.95
    Original price
    $422.95
    $422.95 - $422.95
    Current price $422.95

    Antlia 3nm Narrowband H-Alpha (Ha) Pro 36mm Unmounted (H-ALPHA-3NM-PRO-36MM)

    Antlia

    Antlia H-alpha Pro narrowband filter optimizes the FWHM (full width half maximum) to 3nm bandpass. As the bandwidth becomes narrower, the 3nm Pro n...

    View full details
    Original price $422.95 - Original price $422.95
    Original price
    $422.95
    $422.95 - $422.95
    Current price $422.95
  • Antlia 3nm Narrowband Sulfur II (SII) Pro 36mm Unmounted (SII-3NM-PRO-36MM)
    Original price $422.95 - Original price $422.95
    Original price
    $422.95
    $422.95 - $422.95
    Current price $422.95

    Antlia 3nm Narrowband Sulfur II (SII) Pro 36mm Unmounted (SII-3NM-PRO-36MM)

    Antlia

    Antlia SII Pro narrowband filter optimizes the FWHM (full width half maximum) to 3nm bandpass. As the bandwidth becomes narrower, the 3nm Pro narro...

    View full details
    Original price $422.95 - Original price $422.95
    Original price
    $422.95
    $422.95 - $422.95
    Current price $422.95
  • Antlia OIII 3nm Pro 36mm Unmounted (OIII-3NM-PRO-36MM)
    Original price $459.95 - Original price $459.95
    Original price
    $459.95
    $459.95 - $459.95
    Current price $459.95

    Antlia OIII 3nm Pro 36mm Unmounted (OIII-3NM-PRO-36MM)

    Antlia

    Antlia OIII Pro narrowband filter optimizes the FWHM (full width half maximum) to 3nmbandpass. As the bandwidth becomes narrower, the 3nm Pro narro...

    View full details
    Original price $459.95 - Original price $459.95
    Original price
    $459.95
    $459.95 - $459.95
    Current price $459.95
  • Antlia 3nm Narrowband H-Alpha (Ha) Pro 2" Mounted (H-ALPHA-3NM-PRO-2)
    Original price $550.95 - Original price $550.95
    Original price
    $550.95
    $550.95 - $550.95
    Current price $550.95

    Antlia 3nm Narrowband H-Alpha (Ha) Pro 2" Mounted (H-ALPHA-3NM-PRO-2)

    Antlia

    Antlia H-alpha Pro narrowband filter optimizes the FWHM (full width half maximum) to 3nm bandpass. As the bandwidth becomes narrower, the 3nm Pro n...

    View full details
    Original price $550.95 - Original price $550.95
    Original price
    $550.95
    $550.95 - $550.95
    Current price $550.95
  • Antlia 3nm Narrowband Sulfur II (SII) Pro 2" Mounted (SII-3NM-PRO-2)
    Original price $550.95 - Original price $550.95
    Original price
    $550.95
    $550.95 - $550.95
    Current price $550.95

    Antlia 3nm Narrowband Sulfur II (SII) Pro 2" Mounted (SII-3NM-PRO-2)

    Antlia

    Antlia SII Pro narrowband filter optimizes the FWHM (full width half maximum) to 3nm bandpass. As the bandwidth becomes narrower, the 3nm Pro narro...

    View full details
    Original price $550.95 - Original price $550.95
    Original price
    $550.95
    $550.95 - $550.95
    Current price $550.95
  • ZWO 31mm Ha SII OIII 7nm Narrowband Unmounted Filter Set (ZWO-NB7NMD31)
    ZWO 31mm Ha SII OIII 7nm Narrowband Unmounted Filter Set (ZWO-NB7NMD31)
    Original price $552.50 - Original price $552.50
    Original price
    $552.50
    $552.50 - $552.50
    Current price $552.50

    ZWO 31mm Ha SII OIII 7nm Narrowband Unmounted Filter Set (ZWO-NB7NMD31)

    ZWO

    Narrowband filter do not eliminate the effects of light pollution or increase the object’s brightness. In many cases, they increase the contrast be...

    View full details
    Original price $552.50 - Original price $552.50
    Original price
    $552.50
    $552.50 - $552.50
    Current price $552.50
  • Antlia OIII 3nm Pro 2" Mounted (OIII-3NM-PRO-2)
    Original price $599.95 - Original price $599.95
    Original price
    $599.95
    $599.95 - $599.95
    Current price $599.95

    Antlia OIII 3nm Pro 2" Mounted (OIII-3NM-PRO-2)

    Antlia

    Antlia OIII Pro narrowband filter optimizes the FWHM (full width half maximum) to 3nmbandpass. As the bandwidth becomes narrower, the 3nm Pro narro...

    View full details
    Original price $599.95 - Original price $599.95
    Original price
    $599.95
    $599.95 - $599.95
    Current price $599.95
  • ZWO 36mm Ha SII OIII 7nm Unmounted Filter Set (ZWO-NB7NMD36)
    ZWO 36mm Ha SII OIII 7nm Unmounted Filter Set (ZWO-NB7NMD36)
    Original price $622.70 - Original price $622.70
    Original price
    $622.70
    $622.70 - $622.70
    Current price $622.70

    ZWO 36mm Ha SII OIII 7nm Unmounted Filter Set (ZWO-NB7NMD36)

    ZWO

    Narrowband filter do not eliminate the effects of light pollution or increase the object’s brightness. In many cases, they increase the contrast be...

    View full details
    Original price $622.70 - Original price $622.70
    Original price
    $622.70
    $622.70 - $622.70
    Current price $622.70
  • Antlia 3nm Narrowband H-Alpha (Ha) Pro 50mm Unmounted (H-ALPHA-3NM-PRO-50MM)
    Special Order - Contact Us
    Original price $669.95 - Original price $669.95
    Original price
    $669.95
    $669.95 - $669.95
    Current price $669.95

    Antlia 3nm Narrowband H-Alpha (Ha) Pro 50mm Unmounted (H-ALPHA-3NM-PRO-50MM)

    Antlia

    Antlia H-alpha Pro narrowband filter optimizes the FWHM (full width half maximum) to 3nm bandpass. As the bandwidth becomes narrower, the 3nm Pro n...

    View full details
    Original price $669.95 - Original price $669.95
    Original price
    $669.95
    $669.95 - $669.95
    Current price $669.95
    Special Order - Contact Us
  • Antlia 3nm Narrowband Sulfur II (SII) Pro 50mm Unmounted (SII-3NM-PRO-50MM)
    Special Order - Contact Us
    Original price $669.95 - Original price $669.95
    Original price
    $669.95
    $669.95 - $669.95
    Current price $669.95

    Antlia 3nm Narrowband Sulfur II (SII) Pro 50mm Unmounted (SII-3NM-PRO-50MM)

    Antlia

    Antlia SII Pro narrowband filter optimizes the FWHM (full width half maximum) to 3nm bandpass. As the bandwidth becomes narrower, the 3nm Pro narro...

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    Original price $669.95 - Original price $669.95
    Original price
    $669.95
    $669.95 - $669.95
    Current price $669.95
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  • Antlia OIII 3nm Pro 50mm Unmounted (OIII-3NM-PRO-50MM)
    Special Order - Contact Us
    Original price $739.95 - Original price $739.95
    Original price
    $739.95
    $739.95 - $739.95
    Current price $739.95

    Antlia OIII 3nm Pro 50mm Unmounted (OIII-3NM-PRO-50MM)

    Antlia

    Antlia OIII Pro narrowband filter optimizes the FWHM (full width half maximum) to 3nmbandpass. As the bandwidth becomes narrower, the 3nm Pro narro...

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    Original price $739.95 - Original price $739.95
    Original price
    $739.95
    $739.95 - $739.95
    Current price $739.95
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  • ZWO 2" Ha SII OIII 7nm Filter Set (ZWO-NB7NMD2)
    ZWO 2" Ha SII OIII 7nm Filter Set (ZWO-NB7NMD2)
    Original price $908.70 - Original price $908.70
    Original price
    $908.70
    $908.70 - $908.70
    Current price $908.70

    ZWO 2" Ha SII OIII 7nm Filter Set (ZWO-NB7NMD2)

    ZWO

    Narrowband filter does not eliminate the effects of light pollution or increase the object’s brightness. In many cases, they increase the contrast...

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    Original price $908.70 - Original price $908.70
    Original price
    $908.70
    $908.70 - $908.70
    Current price $908.70
  • Optolong SHO 3nm Filter Kit 36MM Unmounted (OPT-SHO-3NM-KIT-36MM)
    Optolong SHO 3nm Filter Kit 36MM Unmounted (OPT-SHO-3NM-KIT-36MM)
    Original price $1,279.00 - Original price $1,279.00
    Original price
    $1,279.00
    $1,279.00 - $1,279.00
    Current price $1,279.00

    Optolong SHO 3nm Filter Kit 36MM Unmounted (OPT-SHO-3NM-KIT-36MM)

    Optolong

    Optolong SHO-3nm filter kit includes SII 3nm, H-Alpha 3nm, and OIII 3nm narrow band filters, generally working with astronomical monochrome coolin...

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    Original price $1,279.00 - Original price $1,279.00
    Original price
    $1,279.00
    $1,279.00 - $1,279.00
    Current price $1,279.00
  • Optolong SHO 3nm Filter Kit 2" Mounted (OPT-SHO-3NM-KIT-2)
    Optolong SHO 3nm Filter Kit 2" Mounted (OPT-SHO-3NM-KIT-2)
    Original price $1,555.00 - Original price $1,555.00
    Original price
    $1,555.00
    $1,555.00 - $1,555.00
    Current price $1,555.00

    Optolong SHO 3nm Filter Kit 2" Mounted (OPT-SHO-3NM-KIT-2)

    Optolong

    Optolong SHO-3nm filter kit includes SII 3nm, H-Alpha 3nm, and OIII 3nm narrow band filters, generally working with astronomical monochrome cooling...

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    Original price $1,555.00 - Original price $1,555.00
    Original price
    $1,555.00
    $1,555.00 - $1,555.00
    Current price $1,555.00