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Let our non-commissioned product advisors help you select the best filter to achieve your observation goals! Whether you need filters for astrophotography or visual use we'll help you find the perfect filter to complement your equipment.


Bring out as much detail as possible in your celestial targets with OIII, ultra high contrast, and hydrogen filters perfect for astrophotography. Or get more details on planets with neutral density, Skyglow, Longpass and color filters. We offer high-quality deep sky and planetary filters from manufacturers like Lumicon, Baader Planetarium, Celestron, TeleVue, Meade, Orion, High Point & Thousand Oaks.

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  • Astronomik UV-IR L2 Luminance Filter - 2
    Astronomik Filters Astronomik L-2 UV-IR Blocking Filter - 2" Round Mounted - L2-2
    $109.95
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    free shipping
  • ZWO 2
    ZWO Astronomy Cameras ZWO 2" IR-Cut Filter - IRCUT2
    $49.00
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    No free shipping.
  • Astronomik 2
    Astronomik Filters Astronomik OIII 6 nm CCD Filter - 2" Round Mounted - OIIICCD6-2
    $469.95
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    free shipping
  • Astronomik 2
    Astronomik Filters Astronomik SII 6 nm CCD Filter - 2" - SII6-2
    $469.95
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    free shipping
  • Astronomik Deep Sky RGB Color Filter Set - 2
    Astronomik Filters Astronomik Deep Sky RGB Color Filter Set - 2" Round Mounted - DRGB-2
    $549.95
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    free shipping
  • Astronomik 2
    Astronomik Filters Astronomik IR Blocking Filter - 2" Round Mounted - IR-2
    $79.95
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    free shipping
  • Astronomik L-1 UV-IR Blocking Filter - 2
    Astronomik Filters Astronomik L-1 UV-IR Blocking Filter - 2" Round Mounted - L1-2
    $129.95
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    free shipping
  • Astronomik L-3 Luminance UV-IR Blocking Filter - 2
    Astronomik Filters Astronomik L-3 UV-IR Blocking Filter - 2" Round Mounted - L3-2
    $129.95
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    free shipping
  • Astronomik 2
    Astronomik Filters Astronomik ProPlanet 642 IR Pass Filter - 2" Round Mounted - P642-2
    $139.95
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    free shipping
  • Astronomik 2
    Astronomik Filters Astronomik ProPlanet 807 IR Pass Filter - 2" Round Mounted - P807-2
    $99.95
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    free shipping
  • Astronomik UHC-E Filter - 2
    Astronomik Filters Astronomik UHC-E Filter - 2" Round Mounted - UHCE-2
    $129.95
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    free shipping
  • Astronomik Filters Astronomik 2" Dark Frame Filter - DARK-2
    $49.95
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    free shipping
  • Optolong Filter Set with LRGB, H-Alpha, SII, and OIII Filters
    Optolong Optolong 2" Filter Set with LRGB, H-Alpha, SII, and OIII Filters - LRGB-HASIIOIII-200
    $1,009.00
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    free shipping
  • Optolong LRGB and 7nm H-Alpha Filter Set
    Optolong Optolong 2" LRGB and 7nm H-Alpha Filter Set - LRGB-HA-200
    $585.00
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    free shipping
  • Optolong Optolong 2" Filter Set with H-Alpha, SII, and OIII Filters - HASIIOIII-200
    $720.00
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    free shipping
  • Tele Vue Bandmate OIII Filter - 2
    Tele Vue Tele Vue Bandmate OIII Filter - 2" - B2O-0200
    $200.00
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    free shipping
  • Astronomik 2
    Astronomik Filters Astronomik Red Type 2c Filter - 2" Round Mounted - R-2
    $159.95
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    free shipping
  • Astronomik 2
    Astronomik Filters Astronomik Green Type 2c Filter - 2" Round Mounted - G-2
    $159.95
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    free shipping
  • Astronomik 2
    Astronomik Filters Astronomik Blue Type 2c Filter - 2" Round Mounted - B-2
    $159.95
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    free shipping
  • Meade Meade Series 6000 LRGB Imaging Filter Set - 2" - 608016
    $199.99
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    free shipping
  • Atik LRGB Filter Kit - 2
    Atik Cameras Atik 2" LRGB Filter Set - ATK0178
    $393.00
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    free shipping
  • Atik Narrowband Filter Kit - 2
    Atik Cameras Atik 2" Narrow Band Filter Set - ATK0175
    $706.00
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    free shipping
  • Optolong Optolong L-eNhance Light Pollution Dual-Bandpass Imaging Filter - 2.00" - LNH-200
    $229.00
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    free shipping
  • Baader Planetarium 2
    Baader Planetarium Baader Planetarium Ultra Narrowband 4.5 nm OIII CCD Filter - 2" - FOIIINU-2
    $419.00
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    free shipping
  • Baader Planetarium 2
    Baader Planetarium Baader Planetarium Ultra Narrowband 4.5 nm SII CCD Filter - 2" - FSIINU-2
    $419.00
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    free shipping
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