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Due to the USA–China tariff escalation, we will temporarily not receive additional inventory for Celestron and Sky-Watcher products. As a result, we are unable to accept orders for any out-of-stock items and encourage you to take advantage of the products currently in stock while supplies last.
Due to the USA–China tariff escalation, we will temporarily not receive additional inventory for Celestron and Sky-Watcher products. As a result, we are unable to accept orders for any out-of-stock items and encourage you to take advantage of the products currently in stock while supplies last.

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Narrowband Filters

  • Original price $844.00 USD - Original price $1,879.00 USD
    Original price
    $844.00 USD - $1,879.00 USD
    $844.00 USD - $1,879.00 USD
    Current price $844.00 USD

    Baader 3.5/4nm f/2 Ultra-Highspeed Filter Set - CMOS-Optimized H-alpha/O-III/S-II

    Options available

    f/2 Highspeed Filterset consisting of 3 Filter: H-alpha, O III and S II. Highspeed Narrowband Filter are designed especially for the delicate requ...

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    Original price $844.00 USD - Original price $1,879.00 USD
    Original price
    $844.00 USD - $1,879.00 USD
    $844.00 USD - $1,879.00 USD
    Current price $844.00 USD
  • Original price $829.00 USD - Original price $1,769.00 USD
    Original price
    $829.00 USD - $1,769.00 USD
    $829.00 USD - $1,769.00 USD
    Current price $829.00 USD

    Baader 3.5nm / 4nm Narrowband Filter Set - CMOS-Optimized H-alpha/O-III/S-II

    Options available

    Baader H-alpha / O-III / S-II Ultra-Narrowband (Narrowband) filter set - Premium Grade 3.5 / 4 nm half width (to harmonize the exposure time of H-...

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    Original price $829.00 USD - Original price $1,769.00 USD
    Original price
    $829.00 USD - $1,769.00 USD
    $829.00 USD - $1,769.00 USD
    Current price $829.00 USD
  • Original price $285.00 USD - Original price $617.00 USD
    Original price
    $285.00 USD - $617.00 USD
    $285.00 USD - $617.00 USD
    Current price $285.00 USD

    Baader 4nm Ultra-Narrowband OIII Filter - CMOS-Optimized

    Options available

    Baader H-alpha / O-III / S-II Ultra-Narrowband (Narrowband) filter set - Premium Grade 3.5 / 4 nm half width (to harmonize the exposure time of H-...

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    Original price $285.00 USD - Original price $617.00 USD
    Original price
    $285.00 USD - $617.00 USD
    $285.00 USD - $617.00 USD
    Current price $285.00 USD
  • Original price $489.00 USD - Original price $1,169.00 USD
    Original price
    $489.00 USD - $1,169.00 USD
    $489.00 USD - $1,169.00 USD
    Current price $489.00 USD

    Baader 6.5nm f/2 Highspeed Filter Set - CMOS-Optimized H-alpha/O-III/S-II

    Options available
    1 variants in stock

    f/2 Highspeed Filterset consisting of 3 Filter: H-alpha, O III and S II. Highspeed Narrowband Filter are designed especially for the delicate requ...

    View full details
    Original price $489.00 USD - Original price $1,169.00 USD
    Original price
    $489.00 USD - $1,169.00 USD
    $489.00 USD - $1,169.00 USD
    Current price $489.00 USD
  • Original price $167.00 USD - Original price $429.00 USD
    Original price
    $167.00 USD - $429.00 USD
    $167.00 USD - $429.00 USD
    Current price $167.00 USD

    Baader 6.5nm H-alpha Filter - CMOS-Optimized

    Options available

    Baader H-alpha / O-III / S-II Narrowband Filter Set - Precision Grade 6.5 nm FWHM, recommended for optical systems from f / 10 to f / 3.5 Reflex-...

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    Original price $167.00 USD - Original price $429.00 USD
    Original price
    $167.00 USD - $429.00 USD
    $167.00 USD - $429.00 USD
    Current price $167.00 USD
  • Original price $457.00 USD - Original price $1,149.00 USD
    Original price
    $457.00 USD - $1,149.00 USD
    $457.00 USD - $1,149.00 USD
    Current price $457.00 USD

    Baader 6.5nm Narrowband Filter Set - CMOS-Optimized H-alpha/O-III/S-II

    Options available

    Baader H-alpha / O-III / S-II Narrowband Filter Set - Precision Grade 6.5 nm FWHM, recommended for optical systems from f / 10 to f / 3.5 Reflex-...

    View full details
    Original price $457.00 USD - Original price $1,149.00 USD
    Original price
    $457.00 USD - $1,149.00 USD
    $457.00 USD - $1,149.00 USD
    Current price $457.00 USD
  • Original price $159.00 USD - Original price $419.00 USD
    Original price
    $159.00 USD - $419.00 USD
    $159.00 USD - $419.00 USD
    Current price $159.00 USD

    Baader 6.5nm OIII Filter - CMOS-Optimized

    Options available

    6.5 nm FWHM, recommended for optical systems from f / 10 to f / 3.5 Reflex-Blocker ™ hard coated and planoptically polished - with sealed coating...

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    Original price $159.00 USD - Original price $419.00 USD
    Original price
    $159.00 USD - $419.00 USD
    $159.00 USD - $419.00 USD
    Current price $159.00 USD
  • Original price $157.00 USD - Original price $417.00 USD
    Original price
    $157.00 USD - $417.00 USD
    $157.00 USD - $417.00 USD
    Current price $157.00 USD

    Baader 6.5nm SII Filter - CMOS-Optimized

    Options available

    6.5 nm FWHM, recommended for optical systems from f / 10 to f / 3.5 Reflex-Blocker ™ hard coated and planoptically polished - with sealed coating...

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    Original price $157.00 USD - Original price $417.00 USD
    Original price
    $157.00 USD - $417.00 USD
    $157.00 USD - $417.00 USD
    Current price $157.00 USD
  • Original price $109.00 USD - Original price $264.00 USD
    Original price
    $109.00 USD - $264.00 USD
    $109.00 USD - $264.00 USD
    Current price $109.00 USD

    Baader H-Alpha CCD Filter -35nm

    Options available

    Premium grade H-alpha interline chip CCD-filter for fast optical systems f/10 to f/2.8 IR-blocked NO halos, NO reflections, NO ghosting Non-aging ...

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    Original price $109.00 USD - Original price $264.00 USD
    Original price
    $109.00 USD - $264.00 USD
    $109.00 USD - $264.00 USD
    Current price $109.00 USD