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

Astrophotography Filters

  • Optolong CF (Clear Focusing) Broadband Filter 2" Mounted (OPT-CF-2)
    Sold out
    Original price $39.95 - Original price $39.95
    Original price
    $39.95
    $39.95 - $39.95
    Current price $39.95

    Optolong CF (Clear Focusing) Broadband Filter 2" Mounted (OPT-CF-2)

    Optolong

    The Optolong Clear Focusing Filter is designed to pass the visible spectral region (420nm-680nm) with 98.5% transmission Use of astrophotography fi...

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    Original price $39.95 - Original price $39.95
    Original price
    $39.95
    $39.95 - $39.95
    Current price $39.95
    Sold out
  • Optolong UV/IR Cut 1.25" Filter Mounted (OPT-UVIR-1.25)
    Optolong UV/IR Cut 1.25" Filter Mounted (OPT-UVIR-1.25)
    Original price $57.95 - Original price $57.95
    Original price
    $57.95
    $57.95 - $57.95
    Current price $57.95

    Optolong UV/IR Cut 1.25" Filter Mounted (OPT-UVIR-1.25)

    Optolong

    Optolong UV/IR Cut filter is designed for ultraviolet and infrared wavelength blocking to improve sharpness of the image as most of the optics are ...

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    Original price $57.95 - Original price $57.95
    Original price
    $57.95
    $57.95 - $57.95
    Current price $57.95
  • ZWO 2" IR-Cut Filter (ZWO-IRCUT2)
    ZWO 2" IR-Cut Filter (ZWO-IRCUT2)
    Original price $63.70 - Original price $63.70
    Original price
    $63.70
    $63.70 - $63.70
    Current price $63.70

    ZWO 2" IR-Cut Filter (ZWO-IRCUT2)

    ZWO

    Infrared or IR light is invisible to the human eye, and so even though most telescopes are not designed to focus IR light, it does not matter when ...

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    Original price $63.70 - Original price $63.70
    Original price
    $63.70
    $63.70 - $63.70
    Current price $63.70
  • Optolong CLS (City Light Suppression) Broadband Filter 1.25" Mounted (OPT-CLS-125)
    Optolong CLS (City Light Suppression) Broadband Filter 1.25" Mounted (OPT-CLS-125)
    Original price $67.95 - Original price $67.95
    Original price
    $67.95
    $67.95 - $67.95
    Current price $67.95

    Optolong CLS (City Light Suppression) Broadband Filter 1.25" Mounted (OPT-CLS-125)

    Optolong

    The CLS (City Light Suppression) broadband filter is designed to improve the visibility of various deep sky objects. By selectively reducing the tr...

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    Original price $67.95 - Original price $67.95
    Original price
    $67.95
    $67.95 - $67.95
    Current price $67.95
  • Optolong UHC Light Pollution Filter 1.25" Mounted (OPT-UHC-125)
    Optolong UHC Light Pollution Filter 1.25" Mounted (OPT-UHC-125)
    Original price $70.95 - Original price $70.95
    Original price
    $70.95
    $70.95 - $70.95
    Current price $70.95

    Optolong UHC Light Pollution Filter 1.25" Mounted (OPT-UHC-125)

    Optolong

    The UHC (Ultra High Contrast) broadband filter is designed to improve the visibility of various deepsky objects. By selectively reducing the transm...

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    Original price $70.95 - Original price $70.95
    Original price
    $70.95
    $70.95 - $70.95
    Current price $70.95
  • Optolong UV/IR Cut 2" Filter Mounted (OPT-UVIR-2)
    Optolong UV/IR Cut 2" Filter Mounted (OPT-UVIR-2)
    Sold out
    Original price $83.95 - Original price $83.95
    Original price
    $83.95
    $83.95 - $83.95
    Current price $83.95

    Optolong UV/IR Cut 2" Filter Mounted (OPT-UVIR-2)

    Optolong

    Optolong UV/IR Cut filter is designed for ultraviolet and infrared wavelength blocking to improve sharpness of the image as most of the optics are ...

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    Original price $83.95 - Original price $83.95
    Original price
    $83.95
    $83.95 - $83.95
    Current price $83.95
    Sold out
  • Optolong IR Pass685 Planetary Filter 1.25" Mounted (OPT-IR685-125)
    Optolong IR Pass685 Planetary Filter 1.25" Mounted (OPT-IR685-125)
    Original price $99.95 - Original price $99.95
    Original price
    $99.95
    $99.95 - $99.95
    Current price $99.95

    Optolong IR Pass685 Planetary Filter 1.25" Mounted (OPT-IR685-125)

    Optolong

    Optolong IR Pass 685nm filter is designed to block wavelengths below 670nm and can be used in IR-LRGB imaging to produce a sharper luminance image ...

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    Original price $99.95 - Original price $99.95
    Original price
    $99.95
    $99.95 - $99.95
    Current price $99.95
  • ZWO 1.25" Duo-Band Filter (ZWO-DB1.25)
    ZWO 1.25" Duo-Band Filter (ZWO-DB1.25)
    Original price $102.70 - Original price $102.70
    Original price
    $102.70
    $102.70 - $102.70
    Current price $102.70

    ZWO 1.25" Duo-Band Filter (ZWO-DB1.25)

    ZWO

    ZWO Duo-Band Filter is a dual narrowband filter primarily aimed at complementing our range of colour ASI cameras. The Duo-Band filter is aimed at t...

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    Original price $102.70 - Original price $102.70
    Original price
    $102.70
    $102.70 - $102.70
    Current price $102.70
  • Optolong CLS (City Light Suppression) Broadband Filter 2" Mounted (OPT-CLS-2)
    Optolong CLS (City Light Suppression) Broadband Filter 2" Mounted (OPT-CLS-2)
    Original price $109.95 - Original price $109.95
    Original price
    $109.95
    $109.95 - $109.95
    Current price $109.95

    Optolong CLS (City Light Suppression) Broadband Filter 2" Mounted (OPT-CLS-2)

    Optolong

    The CLS (City Light Suppression) broadband filter is designed to improve the visibility of various deep sky objects. By selectively reducing the tr...

    View full details
    Original price $109.95 - Original price $109.95
    Original price
    $109.95
    $109.95 - $109.95
    Current price $109.95
  • Optolong UHC Light Pollution Filter 2" Mounted (OPT-UHC-2)
    Optolong UHC Light Pollution Filter 2" Mounted (OPT-UHC-2)
    Original price $109.95 - Original price $109.95
    Original price
    $109.95
    $109.95 - $109.95
    Current price $109.95

    Optolong UHC Light Pollution Filter 2" Mounted (OPT-UHC-2)

    Optolong

    The UHC (Ultra High Contrast) broadband filter is designed to improve the visibility of various deepsky objects. By selectively reducing the transm...

    View full details
    Original price $109.95 - Original price $109.95
    Original price
    $109.95
    $109.95 - $109.95
    Current price $109.95
  • Optolong Narrowband H-beta Filter 1.25" Mounted (OPT-H-BETA-125)
    Optolong Narrowband H-beta Filter 1.25" Mounted (OPT-H-BETA-125)
    Original price $114.95 - Original price $114.95
    Original price
    $114.95
    $114.95 - $114.95
    Current price $114.95

    Optolong Narrowband H-beta Filter 1.25" Mounted (OPT-H-BETA-125)

    Optolong

    Opotlong narrowband H-beta filter is designed for nebula observation allowing 12nm bandwidth of light centered on a wavelength of 486nm through, an...

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    Original price $114.95 - Original price $114.95
    Original price
    $114.95
    $114.95 - $114.95
    Current price $114.95
  • ZWO 1.25" Methane Band CH4 Filter (ZWO-CH4)
    ZWO 1.25" Methane Band CH4 Filter (ZWO-CH4)
    Original price $128.70 - Original price $128.70
    Original price
    $128.70
    $128.70 - $128.70
    Current price $128.70

    ZWO 1.25" Methane Band CH4 Filter (ZWO-CH4)

    ZWO

    The ZWO Methane band (CH4) filter is a special filter for photographical use. Its FWHM is 20nm which is suitable for most IR sensitive colour or mo...

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    Original price $128.70 - Original price $128.70
    Original price
    $128.70
    $128.70 - $128.70
    Current price $128.70
  • 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...

    View full details
    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 2" Duo-Band Filter (ZWO-DB2)
    ZWO 2" Duo-Band Filter (ZWO-DB2)
    Original price $178.50 - Original price $178.50
    Original price
    $178.50
    $178.50 - $178.50
    Current price $178.50

    ZWO 2" Duo-Band Filter (ZWO-DB2)

    ZWO

    ZWO Duo-Band Filter is a dual narrowband filter primarily aimed at complementing our range of colour ASI cameras. The Duo-Band filter is aimed at t...

    View full details
    Original price $178.50 - Original price $178.50
    Original price
    $178.50
    $178.50 - $178.50
    Current price $178.50
  • Optolong Narrowband H-beta Filter 2" Mounted (OPT-H-BETA-2)
    Optolong Narrowband H-beta Filter 2" Mounted (OPT-H-BETA-2)
    Original price $179.95 - Original price $179.95
    Original price
    $179.95
    $179.95 - $179.95
    Current price $179.95

    Optolong Narrowband H-beta Filter 2" Mounted (OPT-H-BETA-2)

    Optolong

    Opotlong narrowband H-beta filter is designed for nebula observation allowing 12nm bandwidth of light centered on a wavelength of 486nm through, an...

    View full details
    Original price $179.95 - Original price $179.95
    Original price
    $179.95
    $179.95 - $179.95
    Current price $179.95
  • Optolong L-Pro Light Pollution Suppression Filter 1.25" Mounted (OPT-L-PRO-125)
    Optolong L-Pro Light Pollution Suppression Filter 1.25" Mounted (OPT-L-PRO-125)
    Original price $189.95 - Original price $189.95
    Original price
    $189.95
    $189.95 - $189.95
    Current price $189.95

    Optolong L-Pro Light Pollution Suppression Filter 1.25" Mounted (OPT-L-PRO-125)

    Optolong

    Optolong L-Pro (L-Professional) filter is designed to improve the visibility of various deepsky objects. By selectively reducing the transmission o...

    View full details
    Original price $189.95 - Original price $189.95
    Original price
    $189.95
    $189.95 - $189.95
    Current price $189.95
  • 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...

    View full details
    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...

    View full details
    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...

    View full details
    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
  • ZWO LRGB 31mm Unmounted Filters (ZWO-LRGB31)
    ZWO LRGB 31mm Unmounted Filters (ZWO-LRGB31)
    Original price $219.95 - Original price $219.95
    Original price
    $219.95
    $219.95 - $219.95
    Current price $219.95

    ZWO LRGB 31mm Unmounted Filters (ZWO-LRGB31)

    ZWO

    The new ZWO 2″ LRGB Filters has good performance in transmission, also it has good coating, good colour separation. Description Overview Name: ZWO...

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    Original price $219.95 - Original price $219.95
    Original price
    $219.95
    $219.95 - $219.95
    Current price $219.95
  • 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 H-Alpha 7nm Narrowband Filter 1.25" Mounted (OPT-H-ALPHA-7NM-125)

    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 $224.95 - Original price $224.95
    Original price
    $224.95
    $224.95 - $224.95
    Current price $224.95
  • Optolong L-eNhance Light Pollution Filter 1.25" Mounted (OPT-L-ENHANCE-125)
    Optolong L-eNhance Light Pollution Filter 1.25" Mounted (OPT-L-ENHANCE-125)
    Original price $239.95 - Original price $239.95
    Original price
    $239.95
    $239.95 - $239.95
    Current price $239.95

    Optolong L-eNhance Light Pollution Filter 1.25" Mounted (OPT-L-ENHANCE-125)

    Optolong

    The relentless spread or urbanization and its associated light pollution have become a growing problem for all amateur astro photographers. The cur...

    View full details
    Original price $239.95 - Original price $239.95
    Original price
    $239.95
    $239.95 - $239.95
    Current price $239.95
  • 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)
    Sold out
    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
    Sold out
  • Optolong OIII 6.5nm Narrowband Filter 36mm Unmounted (OPT-OIII-65NM-36MM)
    Optolong OIII 6.5nm Narrowband Filter 36mm Unmounted (OPT-OIII-65NM-36MM)
    Sold out
    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
    Sold out
  • Optolong SII 6.5nm Narrowband Filter 36mm Unmounted (OPT-SII-65NM-36)
    Optolong SII 6.5nm Narrowband Filter 36mm Unmounted (OPT-SII-65NM-36)
    Sold out
    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
    Sold out
  • Optolong L-Pro Light Pollution Suppression Filter 2" Mounted (OPT-L-PRO-2)
    Optolong L-Pro Light Pollution Suppression Filter 2" Mounted (OPT-L-PRO-2)
    Original price $256.95 - Original price $256.95
    Original price
    $256.95
    $256.95 - $256.95
    Current price $256.95

    Optolong L-Pro Light Pollution Suppression Filter 2" Mounted (OPT-L-PRO-2)

    Optolong

    Optolong L-Pro (L-Professional) filter is designed to improve the visibility of various deepsky objects. By selectively reducing the transmission o...

    View full details
    Original price $256.95 - Original price $256.95
    Original price
    $256.95
    $256.95 - $256.95
    Current price $256.95
  • ZWO LRGB 36mm Unmounted Filters(ZWO-LRGB36)
    ZWO LRGB 36mm Unmounted Filters(ZWO-LRGB36)
    Original price $258.95 - Original price $258.95
    Original price
    $258.95
    $258.95 - $258.95
    Current price $258.95

    ZWO LRGB 36mm Unmounted Filters(ZWO-LRGB36)

    ZWO

    The ZWO LRGB 36mm filter has better transmission, better coating, and better colour separation. Description Overview Name: ZWO LRGB 36mm filter(4...

    View full details
    Original price $258.95 - Original price $258.95
    Original price
    $258.95
    $258.95 - $258.95
    Current price $258.95
  • Optolong L-eNhance Light Pollution Filter 2" Mounted (OPT-L-ENHANCE-2)
    Optolong L-eNhance Light Pollution Filter 2" Mounted (OPT-L-ENHANCE-2)
    Original price $294.95 - Original price $294.95
    Original price
    $294.95
    $294.95 - $294.95
    Current price $294.95

    Optolong L-eNhance Light Pollution Filter 2" Mounted (OPT-L-ENHANCE-2)

    Optolong

    The relentless spread or urbanization and its associated light pollution have become a growing problem for all amateur astro photographers. The cur...

    View full details
    Original price $294.95 - Original price $294.95
    Original price
    $294.95
    $294.95 - $294.95
    Current price $294.95
  • Optolong L-eXtreme Dual-Band Narrow Band Filter 1.25" Mounted (OPT-L-EXTREME-125)
    Optolong L-eXtreme Dual-Band Narrow Band Filter 1.25" Mounted (OPT-L-EXTREME-125)
    Original price $304.95 - Original price $304.95
    Original price
    $304.95
    $304.95 - $304.95
    Current price $304.95

    Optolong L-eXtreme Dual-Band Narrow Band Filter 1.25" Mounted (OPT-L-EXTREME-125)

    Optolong

    L-eXtreme is a two 7nm bandpass filter which can be used with one-shot colour cameras like DSLR's (digital SLR), and monochrome CCD cameras, it is ...

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    Original price $304.95 - Original price $304.95
    Original price
    $304.95
    $304.95 - $304.95
    Current price $304.95
  • Optolong LRGB Filter Kit 1.25" Mounted (OPT-LRGB-KIT-125)
    Optolong LRGB Filter Kit 1.25" Mounted (OPT-LRGB-KIT-125)
    Original price $319.95 - Original price $319.95
    Original price
    $319.95
    $319.95 - $319.95
    Current price $319.95

    Optolong LRGB Filter Kit 1.25" Mounted (OPT-LRGB-KIT-125)

    Optolong

    Optolong LRGB filter set is designed for maximum contrast and with extremely high gradients for clear differentiation of colours. The LRGB filter s...

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    Original price $319.95 - Original price $319.95
    Original price
    $319.95
    $319.95 - $319.95
    Current price $319.95
  • 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...

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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" 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...

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    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...

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    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...

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

    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 ...

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

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    Original price $344.95 - Original price $344.95
    Original price
    $344.95
    $344.95 - $344.95
    Current price $344.95
    Sold out
  • Optolong L-Pro Filter Canon EOS Full Frame Clip (OPT-L-PRO-EOS-FF)
    Optolong L-Pro Filter Canon EOS Full Frame Clip (OPT-L-PRO-EOS-FF)
    Original price $345.95 - Original price $345.95
    Original price
    $345.95
    $345.95 - $345.95
    Current price $345.95

    Optolong L-Pro Filter Canon EOS Full Frame Clip (OPT-L-PRO-EOS-FF)

    Optolong

    The L-Pro filter from Optolong is a multi-bandpass filter that works well for photographic use with your Canon EOS Full Frame DSLR. Better colour ...

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    Original price $345.95 - Original price $345.95
    Original price
    $345.95
    $345.95 - $345.95
    Current price $345.95
  • 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...

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    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...

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    Original price $369.95 - Original price $369.95
    Original price
    $369.95
    $369.95 - $369.95
    Current price $369.95