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ZWO Seestar S30 Desktop

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  • Original price $275.00 USD - Original price $725.00 USD
    Original price $275.00 USD - Original price $725.00 USD
    Original price $275.00 USD
    $247.50 USD - $652.50 USD
    $247.50 USD - $652.50 USD
    Current price $247.50 USD

    Chroma I-Bessel Filter

    Options available

    NIR photometric filter in UVBRI series Filters designed for use with CCD and for f/4.0 or slower No reflections leading to image distortions or ""b...

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    Original price $275.00 USD - Original price $725.00 USD
    Original price $275.00 USD - Original price $725.00 USD
    Original price $275.00 USD
    $247.50 USD - $652.50 USD
    $247.50 USD - $652.50 USD
    Current price $247.50 USD
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  • Original price $275.00 USD - Original price $790.00 USD
    Original price $275.00 USD - Original price $790.00 USD
    Original price $275.00 USD
    $247.50 USD - $711.00 USD
    $247.50 USD - $711.00 USD
    Current price $247.50 USD

    Chroma Jovian Methane Filter

    Options available

    Methane absorption band filter. This filter enhances contrast when imaging objects containing significant levels of methane. Methane-rich component...

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    Original price $275.00 USD - Original price $790.00 USD
    Original price $275.00 USD - Original price $790.00 USD
    Original price $275.00 USD
    $247.50 USD - $711.00 USD
    $247.50 USD - $711.00 USD
    Current price $247.50 USD
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  • Original price $275.00 USD - Original price $550.00 USD
    Original price $275.00 USD - Original price $550.00 USD
    Original price $275.00 USD
    $247.50 USD - $495.00 USD
    $247.50 USD - $495.00 USD
    Current price $247.50 USD

    Chroma LoGlow Filter

    Options available

    Blocks common spectral lines from lighting sources. This filter provides balanced color for the visible spectrum while blocking most emission from ...

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    Original price $275.00 USD - Original price $550.00 USD
    Original price $275.00 USD - Original price $550.00 USD
    Original price $275.00 USD
    $247.50 USD - $495.00 USD
    $247.50 USD - $495.00 USD
    Current price $247.50 USD
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  • Original price $525.00 USD - Original price $1,925.00 USD
    Original price $525.00 USD - Original price $1,925.00 USD
    Original price $525.00 USD
    $472.50 USD - $1,732.50 USD
    $472.50 USD - $1,732.50 USD
    Current price $472.50 USD

    Chroma LRGB Filter Set

    Options available

    Luminance, Red, Green, and Blue astronomy filter set Filters designed for use with CCD and for f/4.0 or slower No reflections leading to image dist...

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    Original price $525.00 USD - Original price $1,925.00 USD
    Original price $525.00 USD - Original price $1,925.00 USD
    Original price $525.00 USD
    $472.50 USD - $1,732.50 USD
    $472.50 USD - $1,732.50 USD
    Current price $472.50 USD
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  • Original price $150.00 USD - Original price $500.00 USD
    Original price $150.00 USD - Original price $500.00 USD
    Original price $150.00 USD
    $135.00 USD - $450.00 USD
    $135.00 USD - $450.00 USD
    Current price $135.00 USD

    Chroma Luminance Filter

    Options available

    Luminance filter for enhancing color rendering with RGB set Filters designed for use with CCD and for f/4.0 or slower No reflections leading to ima...

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    Original price $150.00 USD - Original price $500.00 USD
    Original price $150.00 USD - Original price $500.00 USD
    Original price $150.00 USD
    $135.00 USD - $450.00 USD
    $135.00 USD - $450.00 USD
    Current price $135.00 USD
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  • Original price $575.00 USD - Original price $1,550.00 USD
    Original price $575.00 USD - Original price $1,550.00 USD
    Original price $575.00 USD
    $517.50 USD - $1,395.00 USD
    $517.50 USD - $1,395.00 USD
    Current price $517.50 USD

    Chroma OIII Filter - 3nm

    Options available

    Chroma’s OIII filters isolate the 500.7nm primary emission line of doubly ionized oxygen. After H-alpha, this is the next most common emission when...

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    Original price $575.00 USD - Original price $1,550.00 USD
    Original price $575.00 USD - Original price $1,550.00 USD
    Original price $575.00 USD
    $517.50 USD - $1,395.00 USD
    $517.50 USD - $1,395.00 USD
    Current price $517.50 USD
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  • Original price $460.00 USD - Original price $1,380.00 USD
    Original price $460.00 USD - Original price $1,380.00 USD
    Original price $460.00 USD
    $414.00 USD - $1,242.00 USD
    $414.00 USD - $1,242.00 USD
    Current price $414.00 USD

    Chroma OIII Filter - 5nm

    Options available

    Chroma’s OIII filters isolate the 500.7nm primary emission line of doubly ionized oxygen. After H-alpha, this is the next most common emission when...

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    Original price $460.00 USD - Original price $1,380.00 USD
    Original price $460.00 USD - Original price $1,380.00 USD
    Original price $460.00 USD
    $414.00 USD - $1,242.00 USD
    $414.00 USD - $1,242.00 USD
    Current price $414.00 USD
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  • Original price $275.00 USD - Original price $830.00 USD
    Original price $275.00 USD - Original price $830.00 USD
    Original price $275.00 USD
    $247.50 USD - $747.00 USD
    $247.50 USD - $747.00 USD
    Current price $247.50 USD

    Chroma OIII Filter - 8nm

    Options available

    Chroma’s OIII filters isolate the 500.7nm primary emission line of doubly ionized oxygen. After H-alpha, this is the next most common emission when...

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    Original price $275.00 USD - Original price $830.00 USD
    Original price $275.00 USD - Original price $830.00 USD
    Original price $275.00 USD
    $247.50 USD - $747.00 USD
    $247.50 USD - $747.00 USD
    Current price $247.50 USD
    Save up to 10% Save %
  • Original price $575.00 USD - Original price $1,550.00 USD
    Original price $575.00 USD - Original price $1,550.00 USD
    Original price $575.00 USD
    $517.50 USD - $1,395.00 USD
    $517.50 USD - $1,395.00 USD
    Current price $517.50 USD

    Chroma OIII Filter Optimized for f/3 - 3nm

    Options available

    Chroma’s OIII filters isolate the 500.7nm primary emission line of doubly ionized oxygen. After H-alpha, this is the next most common emission when...

    View full details
    Original price $575.00 USD - Original price $1,550.00 USD
    Original price $575.00 USD - Original price $1,550.00 USD
    Original price $575.00 USD
    $517.50 USD - $1,395.00 USD
    $517.50 USD - $1,395.00 USD
    Current price $517.50 USD
    Save up to 10% Save %
  • Original price $275.00 USD - Original price $725.00 USD
    Original price $275.00 USD - Original price $725.00 USD
    Original price $275.00 USD
    $247.50 USD - $652.50 USD
    $247.50 USD - $652.50 USD
    Current price $247.50 USD

    Chroma R-Bessel Filter

    Options available

    Red photometric filter in UVBRI series Filters designed for use with CCD and for f/4.0 or slower No reflections leading to image distortions or ""b...

    View full details
    Original price $275.00 USD - Original price $725.00 USD
    Original price $275.00 USD - Original price $725.00 USD
    Original price $275.00 USD
    $247.50 USD - $652.50 USD
    $247.50 USD - $652.50 USD
    Current price $247.50 USD
    Save up to 10% Save %
  • Original price $150.00 USD - Original price $500.00 USD
    Original price $150.00 USD - Original price $500.00 USD
    Original price $150.00 USD
    $135.00 USD - $450.00 USD
    $135.00 USD - $450.00 USD
    Current price $135.00 USD

    Chroma Red Filter

    Options available

    Red filter for color rendering with RGB set Filters designed for use with CCD and for f/4.0 or slower No reflections leading to image distortions o...

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    Original price $150.00 USD - Original price $500.00 USD
    Original price $150.00 USD - Original price $500.00 USD
    Original price $150.00 USD
    $135.00 USD - $450.00 USD
    $135.00 USD - $450.00 USD
    Current price $135.00 USD
    Save up to 10% Save %
  • Original price $575.00 USD - Original price $1,550.00 USD
    Original price $575.00 USD - Original price $1,550.00 USD
    Original price $575.00 USD
    $517.50 USD - $1,395.00 USD
    $517.50 USD - $1,395.00 USD
    Current price $517.50 USD

    Chroma SII Filter - 3nm

    Options available

    SII filters isolate the spectral emission of singly ionized sulfur atoms, also common in nebulae. Emission is at two lines occurring as a doublet, ...

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    Original price $575.00 USD - Original price $1,550.00 USD
    Original price $575.00 USD - Original price $1,550.00 USD
    Original price $575.00 USD
    $517.50 USD - $1,395.00 USD
    $517.50 USD - $1,395.00 USD
    Current price $517.50 USD
    Save up to 10% Save %
  • Original price $460.00 USD - Original price $1,380.00 USD
    Original price $460.00 USD - Original price $1,380.00 USD
    Original price $460.00 USD
    $414.00 USD - $1,242.00 USD
    $414.00 USD - $1,242.00 USD
    Current price $414.00 USD

    Chroma SII Filter - 5nm

    Options available

    SII filters isolate the spectral emission of singly ionized sulfur atoms, also common in nebulae. Emission is at two lines occurring as a doublet, ...

    View full details
    Original price $460.00 USD - Original price $1,380.00 USD
    Original price $460.00 USD - Original price $1,380.00 USD
    Original price $460.00 USD
    $414.00 USD - $1,242.00 USD
    $414.00 USD - $1,242.00 USD
    Current price $414.00 USD
    Save up to 10% Save %
  • Original price $275.00 USD - Original price $830.00 USD
    Original price $275.00 USD - Original price $830.00 USD
    Original price $275.00 USD
    $247.50 USD - $747.00 USD
    $247.50 USD - $747.00 USD
    Current price $247.50 USD

    Chroma SII Filter - 8nm

    Options available

    SII filters isolate the spectral emission of singly ionized sulfur atoms, also common in nebulae. Emission is at two lines occurring as a doublet, ...

    View full details
    Original price $275.00 USD - Original price $830.00 USD
    Original price $275.00 USD - Original price $830.00 USD
    Original price $275.00 USD
    $247.50 USD - $747.00 USD
    $247.50 USD - $747.00 USD
    Current price $247.50 USD
    Save up to 10% Save %
  • Original price $575.00 USD - Original price $1,550.00 USD
    Original price $575.00 USD - Original price $1,550.00 USD
    Original price $575.00 USD
    $517.50 USD - $1,395.00 USD
    $517.50 USD - $1,395.00 USD
    Current price $517.50 USD

    Chroma SII Filter Optimized for f/3 - 3nm

    Options available

    SII filters isolate the spectral emission of singly ionized sulfur atoms, also common in nebulae. Emission is at two lines occurring as a doublet, ...

    View full details
    Original price $575.00 USD - Original price $1,550.00 USD
    Original price $575.00 USD - Original price $1,550.00 USD
    Original price $575.00 USD
    $517.50 USD - $1,395.00 USD
    $517.50 USD - $1,395.00 USD
    Current price $517.50 USD
    Save up to 10% Save %
  • Original price $275.00 USD - Original price $725.00 USD
    Original price $275.00 USD - Original price $725.00 USD
    Original price $275.00 USD
    $247.50 USD - $652.50 USD
    $247.50 USD - $652.50 USD
    Current price $247.50 USD

    Chroma U-Bessel Filter

    Options available

    UV photometric filter in UVBRI series Filters designed for use with CCD and for f/4.0 or slower No reflections leading to image distortions or ""ba...

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    Original price $275.00 USD - Original price $725.00 USD
    Original price $275.00 USD - Original price $725.00 USD
    Original price $275.00 USD
    $247.50 USD - $652.50 USD
    $247.50 USD - $652.50 USD
    Current price $247.50 USD
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  • Original price $1,175.00 USD - Original price $3,425.00 USD
    Original price $1,175.00 USD - Original price $3,425.00 USD
    Original price $1,175.00 USD
    $1,057.50 USD - $3,082.50 USD
    $1,057.50 USD - $3,082.50 USD
    Current price $1,057.50 USD

    Chroma UBVRI Filter Set

    Options available

    UBVRI filter set for photometric imaging Filters designed for use with CCD and for f/4.0 or slower No reflections leading to image distortions or "...

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    Original price $1,175.00 USD - Original price $3,425.00 USD
    Original price $1,175.00 USD - Original price $3,425.00 USD
    Original price $1,175.00 USD
    $1,057.50 USD - $3,082.50 USD
    $1,057.50 USD - $3,082.50 USD
    Current price $1,057.50 USD
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  • Original price $275.00 USD - Original price $725.00 USD
    Original price $275.00 USD - Original price $725.00 USD
    Original price $275.00 USD
    $247.50 USD - $652.50 USD
    $247.50 USD - $652.50 USD
    Current price $247.50 USD

    Chroma V-Bessel Filter

    Options available

    Green (Visible) photometric filter in UVBRI series Filters designed for use with CCD and for f/4.0 or slower No reflections leading to image distor...

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    Original price $275.00 USD - Original price $725.00 USD
    Original price $275.00 USD - Original price $725.00 USD
    Original price $275.00 USD
    $247.50 USD - $652.50 USD
    $247.50 USD - $652.50 USD
    Current price $247.50 USD
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  • Original price $34.99 USD - Original price $34.99 USD
    Original price
    $34.99 USD
    $34.99 USD - $34.99 USD
    Current price $34.99 USD

    David Astro Planetary Color Filter Kit with Case - 1.25"

    DAV-CF-1.25
    9 in stock

    Filter No.12 Filter No.21 Filter No.23A Filter No.56 Filter No.82 Moon & Sky filter

    Original price $34.99 USD - Original price $34.99 USD
    Original price
    $34.99 USD
    $34.99 USD - $34.99 USD
    Current price $34.99 USD
  • Original price $20.41 USD - Original price $20.41 USD
    Original price
    $20.41 USD
    $20.41 USD - $20.41 USD
    Current price $20.41 USD

    David Astro Variable Polarizing Filter - 1.25"

    DAV-VPOL-1.25
    7 in stock

    The Variable Polarizing Filter is an essential tool for astronomical observing, designed to enhance your viewing experience by reducing glare and c...

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    Original price $20.41 USD - Original price $20.41 USD
    Original price
    $20.41 USD
    $20.41 USD - $20.41 USD
    Current price $20.41 USD
  • Original price $109.99 USD - Original price $119.99 USD
    Original price
    $109.99 USD - $119.99 USD
    $109.99 USD - $119.99 USD
    Current price $109.99 USD

    Explore Scientific Nebula Filter CLS - 1.25"

    Options available

    Explore Scientific Nebula Filter CLS - 1.25"

    Original price $109.99 USD - Original price $119.99 USD
    Original price
    $109.99 USD - $119.99 USD
    $109.99 USD - $119.99 USD
    Current price $109.99 USD
  • Original price $119.99 USD - Original price $119.99 USD
    Original price
    $119.99 USD
    $119.99 USD - $119.99 USD
    Current price $119.99 USD

    Explore Scientific Nebula Filter CLS - 2.0"

    ES-310220

    Explore Scientific Nebula Filter CLS - 2.0"

    Original price $119.99 USD - Original price $119.99 USD
    Original price
    $119.99 USD
    $119.99 USD - $119.99 USD
    Current price $119.99 USD
  • Original price $129.99 USD - Original price $129.99 USD
    Original price
    $129.99 USD
    $129.99 USD - $129.99 USD
    Current price $129.99 USD

    Explore Scientific Nebula Filter H-Beta - 1.25"

    ES-310235

    Explore Scientific Nebula Filter H-Beta - 1.25"

    Original price $129.99 USD - Original price $129.99 USD
    Original price
    $129.99 USD
    $129.99 USD - $129.99 USD
    Current price $129.99 USD
  • Original price $179.99 USD - Original price $179.99 USD
    Original price
    $179.99 USD
    $179.99 USD - $179.99 USD
    Current price $179.99 USD

    Explore Scientific Nebula Filter H-Beta - 2.0"

    ES-310230

    Explore Scientific Nebula Filter H-Beta - 2.0"

    Original price $179.99 USD - Original price $179.99 USD
    Original price
    $179.99 USD
    $179.99 USD - $179.99 USD
    Current price $179.99 USD