Filters

  • IDAS
    IDAS
    $199
    save $-199
  • Chroma
    Chroma
    $275
    save $-275
  • IDAS
    IDAS
    $199
    save $-199
  • Sightron Japan
    Sightron Japan
    $189
    save $-189
  • IDAS
    IDAS
    $139
    save $-139
  • ATIK
    ATIK
    $296
    save $-296
  • Chroma
    Chroma
    $525
    save $-525
  • Chroma
    Chroma
    $150
    save $-150
  • QHY
    QHY
    $99
    save $-99
  • ATIK
    ATIK
    $652
    save $-652
  • ATIK
    ATIK
    $470
    save $-470
  • IDAS
    IDAS
    $629
    save $-629
  • IDAS
    IDAS
    $189
    save $-189
  • IDAS
    IDAS
    $149
    save $-149
  • IDAS
    IDAS
    $149
    save $-149
  • Celestron
    Celestron
    $219
    save $-219
  • Explore Scientific
    Explore Scientific
    $109.99
    save $-109.99
  • Baader Planetarium
    Baader Planetarium
    $99
    save $-99
  • Celestron
    Celestron
    $19.95
    save $-19.95
  • Astrodon
    Astrodon
    Sold out
    save $-682
  • Chroma
    Chroma
    $575
    save $-575
  • IDAS
    IDAS
    $379
    save $-379
  • IDAS
    IDAS
    $379
    save $-379
  • Tele Vue
    Tele Vue
    $105
    save $-105
  • Chroma
    Chroma
    $275
    save $-275
  • Astrodon
    Astrodon
    Sold out
    save $-380
  • IDAS
    IDAS
    $159
    save $-159
  • Lunt
    Lunt
    $26
    save $-26
  • Baader Planetarium
    Baader Planetarium
    $58
    save $-58
  • Baader Planetarium
    Baader Planetarium
    $319
    save $-319
  • Baader Planetarium
    Baader Planetarium
    $87
    save $-87
  • Sightron Japan
    Sightron Japan
    $189
    save $-189
  • Light Pollution Suppression (LPS) QRO Filter - D1
    IDAS
    IDAS
    $ 199.00
    $ 199.00
  • LoGlow Light Pollution Filter
    Chroma
    Chroma
    $ 275.00
    $ 275.00
  • LPS P-3 Light Pollution Filter
    IDAS
    IDAS
    $ 199.00
    $ 199.00
  • LPS-C1 Filter 2
    Sightron Japan
    Sightron Japan
    $ 189.00
    $ 189.00
  • LPS-P2 50mm Unmounted Filter
    IDAS
    IDAS
    $ 139.00
    $ 139.00
  • LRGB Filter Kit
    ATIK
    ATIK
    $ 296.00
    $ 296.00
  • LRGB Set
    Chroma
    Chroma
    $ 525.00
    $ 525.00
  • Luminance Filter
    Chroma
    Chroma
    $ 150.00
    $ 150.00
  • MiniCAM8 filters
    QHY
    QHY
    $ 299.00
    $ 299.00
  • Narrowband Filter Kit
    ATIK
    ATIK
    $ 652.00
    $ 652.00
  • Narrowband Filter Set
    ATIK
    ATIK
    $ 470.00
    $ 470.00
  • Narrowband Filter Sets
    IDAS
    IDAS
    $ 739.00
    $ 739.00
  • Nebula Booster NB1
    IDAS
    IDAS
    $ 189.00
    $ 189.00
  • Nebula Booster NB2
    IDAS
    IDAS
    $ 149.00
    $ 149.00
  • Nebula Booster NB3
    IDAS
    IDAS
    $ 149.00
    $ 149.00
  • Nebula Filter for Origin Intelligent Home Observatory (93669)
    Celestron
    Celestron
    $ 219.00
    $ 219.00
  • Nebula Filter UHC 1.25
    Explore Scientific
    Explore Scientific
    $ 109.99
    $ 109.99
  • Neodymium (
    Baader Planetarium
    Baader Planetarium
    $ 99.00
    $ 99.00
  • Neutral Density Filter, 1.25
    Celestron
    Celestron
    $ 19.95
    $ 19.95
  • Nitrogen II (NII) Narrowband 3 nm Filter
    Astrodon
    Sold out

    $ 19.95
  • OIII 3nm Bandpass optimized for f/2.8-f/3.6
    Chroma
    Chroma
    $ 575.00
    $ 575.00
  • OIII 6.0 Filter
    IDAS
    IDAS
    $ 379.00
    $ 379.00
  • OIII 6.0nm Filter
    IDAS
    IDAS
    $ 379.00
    $ 379.00
  • OIII Filter
    Tele Vue
    Tele Vue
    $ 105.00
    $ 105.00
  • Oxygen III Narrowband Filter
    Chroma
    Chroma
    $ 275.00
    $ 275.00
  • Oxygen-III (OIII) Narrowband Filter
    Astrodon
    Sold out

    $ 275.00
  • Planetary Filters
    IDAS
    IDAS
    $ 159.00
    $ 159.00
  • Polarizing Filter
    Lunt
    Lunt
    $ 26.00
    $ 26.00
  • Polarizing Filter
    Baader Planetarium
    Baader Planetarium
    $ 58.00
    $ 58.00
  • Premium Colored Glass Filters
    Baader Planetarium
    Baader Planetarium
    $ 319.00
    $ 319.00
  • Protective T-Ring with Optional Built in Filters
    Baader Planetarium
    Baader Planetarium
    $ 87.00
    $ 87.00
  • Quad BP Filter 2
    Sightron Japan
    Sightron Japan
    $ 189.00
    $ 189.00


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