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Filters

  • Optolong LRGB Filter Set - 1.25" Mounted

    Optolong
    $249.00

    OIII emission overlaps on blue and green filters with maximum transmission to allow high efficiency and natural color imaging. Gap between green an...

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    $249.00

  • Optolong L-Synergy Dual Narrowband SII & OIII 7nm Filter – 2" Mounted

    Optolong
    $309.00

    The SII/OIII filter that brings Hubble Palette imaging to your color camera. The L-Synergy is Optolong's newest narrowband filter, introduced in 20...

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    $309.00

  • Optolong 2" LRGB Filter Set

    Optolong
    $399.00

    Technical Data Schott substrate material Thickness 2.0mm Surface Quality: 60/40 (Refer to MIL-O-13830) Fine-optically polished to ensure accurate ...

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    $399.00

  • Moon Filter Set - 1.25”

    Celestron
    $59.95

    Four great Moon filters in one kit—everything you’ll ever need for optimal views of the lunar surface Three neutral density (ND) filters with dif...

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    $59.95
  • In Stock

    IDAS NBZ II Nebula Booster - 2" Mounted Filter

    IDAS
    $298.00

    The IDAS NBZ-II is a dual band nebula booster filter - the successor to the NBZ (UHS) filter. The FWHM of the NBZ-II is 8nm (+/=0.4nm) at ...

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    $298.00
    In Stock
  • In Stock

    IDAS NB3-PM Nebula Booster OIII and SII 2" Mounted Filter (M48)

    IDAS
    $137.50

    IDAS NB3-PM: PM stands for Passband Modification  Nebula Booster NB3-PM filter for OIII and SII the NB3, OIII and SII emission lines respectively. ...

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    $137.50
    In Stock

  • IDAS NB1 Nebula Contrast Boost Filter - 48mm (2")

    IDAS
    $175.00

    IDAS NB1 Filter is designed to enhance the contrast of emission nebula, yet accommodate the filter spectral shift* when used with modern fast optic...

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    $175.00
  • In Stock

    IDAS HEUIB-II H-a Enhancement Filter with UV/IR Cut 2" Mounted (M48)

    IDAS
    $175.00

    A filter for enchanced H-alpha nebula observations with UV/near IR suppressiong function - especially removing red end spectrum interference. The H...

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    $175.00
    In Stock

  • IDAS GNB Galaxy & Nebula Booster Narrowband Imaging Filter 2" Mounted (M48)

    IDAS
    $248.00

    A new generation - the world-first - galaxy and nebula booster filter intended for shooting not only nebulae, but also galaxies by the use of the t...

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    $248.00
  • In Stock

    IDAS GNB Galaxy & Nebula Booster Narrowband Imaging Filter 1.25" Mounted (M28.6)

    IDAS
    $150.00

    A new generation - the world-first - galaxy and nebula booster filter intended for shooting not only nebulae, but also galaxies by the use of the t...

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    $150.00
    In Stock

  • IDAS DTD (dusk to dawn) 52mm Mounted (M52) Filter

    IDAS
    $248.00

    Galaxy and Nebula booster plus Comet enhancing filter A new generation filter covering multiple objects including comets, galaxies, the Milky Way, ...

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    $248.00
  • In Stock

    IDAS DTD (dusk to dawn) 2" Mounted (M48) Filter

    IDAS
    $218.00

    Galaxy and Nebula booster plus Comet enhancing filter A new generation filter covering multiple objects including comets, galaxies, the Milky Way, ...

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    $218.00
    In Stock

  • Baader UV-IR Cut Filter - 2"

    Baader Planetarium
    $143.00
    $128.70

    Baader Planetarium has introduced the world's finest UV/IR cut filter. This filter is a must for all digital imaging with Digital Cameras, CCD Came...

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    $143.00
    $128.70

  • Baader UV-IR Cut Filter - 1.25"

    Baader Planetarium
    $87.00
    $78.30

    Baader Planetarium has introduced the world's finest UV/IR cut filter. This filter is a must for all digital imaging with Digital Cameras, CCD Came...

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    $87.00
    $78.30

  • Baader CMOS-optimized L-RGB Filters Set

    Baader Planetarium
    from $351.90

    New CMOS-optimized L-RGB filters from Baader Planetarium with Reflex-Blocker™ and Life-Coat™. Baader CMOS RGB Bandpass Filter RGB-R (595 – 690 m...

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    from $351.90

  • Baader 6.5nm Narrowband Filters – CMOS-optimized (H-alpha / O-III / S-II)

    Baader Planetarium
    from $158.40

    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 Refle...

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    from $158.40
  • Dropship

    Baader 6.5nm Narrowband Filter Set – CMOS-optimized (H-alpha, O-III, S-II)

    Baader Planetarium
    from $460.80

    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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    from $460.80
    Dropship

  • Baader 6.5nm f/2 Highspeed Filters – CMOS-optimized (H-alpha / O-III / S-II)

    Baader Planetarium
    from $175.50

    Baader H-alpha / O-III / S-II f / 2 Highspeed Filter Set - Precision Grade 6.5 nm FWHM, recommended for extremely fast optical systems from f /...

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    from $175.50
  • Dropship

    Baader 6.5nm f/2 Highspeed Filter Set – CMOS-optimized (H-alpha, O-III, S-II)

    Baader Planetarium
    from $493.20

    Baader H-alpha / O-III / S-II f / 2 Highspeed Filter Set - Precision Grade 6.5 nm FWHM, recommended for extremely fast optical systems from f / 3...

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    from $493.20
    Dropship

  • Baader 3.5nm / 4nm Ultra-Narrowband Filters – CMOS-optimized (H-alpha / O-III / S-II)

    Baader Planetarium
    from $320.00

    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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    from $320.00

  • Baader 3.5nm / 4nm Ultra-Narrowband Filter Set – CMOS-optimized (H-alpha, O-III, S-II)

    Baader Planetarium
    from $929.00

    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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    from $929.00

  • Baader 3.5 / 4nm f/2 Ultra-Highspeed Filters – CMOS-optimized (H-alpha / O-III / S-II)

    Baader Planetarium
    from $324.00

    Baader H-alpha / O-III / S-II f / 2 Ultra-Highspeed Filter Set - Premium Grade 3.5 / 4 nm half width (to harmonize the exposure time of H-alpha wi...

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    from $324.00

  • Baader 3.5 / 4nm f/2 Ultra-Highspeed Filter Set – CMOS-optimized (H-alpha, O-III, S-II)

    Baader Planetarium
    from $946.00

    Baader H-alpha / O-III / S-II f / 2 Ultra-Highspeed Filter Set - Premium Grade 3.5 / 4 nm half width (to harmonize the exposure time of H-alpha ...

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    from $946.00

  • Askar Color Magic Super Duo-Narrowband D1 (H-a/O-III) and D2 (S-II/O-III) Filter Set - 2" Mounted

    Askar
    $625.00

    Askar newly launched ColourMagic Super D 2" Duo-narrowband filter, is a professional astrophotography tool specifically designed for deep-sky imagi...

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    $625.00