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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 1.25
    Astronomik Filters Astronomik CLS Light Pollution Filter 1.25" - CLS-1
    $75.95
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  • Astronomik 2
    Astronomik Filters Astronomik CLS Light Pollution Filter 2" - CLS-2
    $159.95
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  • Astronomik 31 mm CLS Light Pollution Filter
    Astronomik Filters Astronomik CLS Light Pollution Filter - 31 mm Round - CLS-31
    $95.95
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  • Astronomik Filters Astronomik CLS-CCD Light Pollution Filter - 1.25" - CLSCCD-1
    $99.95
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  • Astronomik 2
    Astronomik Filters Astronomik CLS-CCD Light Pollution Filter - 2" - CLSCCD-2
    $199.95
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  • Astronomik CLS CCD Canon EOS Clip Filter
    Astronomik Filters Astronomik CLS CCD Canon EOS Clip Filter - CLSCCD-EOS
    $159.95
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  • Astronomik CLS-CCD Canon EOS XL Full Frame Clip Filter
    Astronomik Filters Astronomik CLS CCD Canon EOS XL Full Frame Clip Filter - CLSCCD-EOSXL
    $199.95
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  • Astronomik CLS Canon EOS Clip Filter
    Astronomik Filters Astronomik CLS Canon EOS Clip Filter - CLS-EOS
    $129.95
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  • Astronomik CLS Canon EOS XL Clip Filter
    Astronomik Filters Astronomik CLS Canon EOS XL Full Frame Clip Filter - CLS-EOSXL
    $179.95
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  • Astronomik L-2 Luminance UV-IR Blocking Filter - EOS XL Full Frame Clip
    Astronomik Filters Astronomik Luminance L-2 Canon EOS XL Full-Frame Clip Filter - L2-EOSXL
    $109.95
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  • Astronomik T-Thread CLS CCD Light Pollution Filter
    Astronomik Filters Astronomik CLS CCD Light Pollution Filter - T-Mount - CLSCCD-T
    $179.95
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  • Astronomik UHC Filter - 2
    Astronomik Filters Astronomik UHC Filter - 2" Round Mounted - UHC-2
    $219.95
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  • Astronomik 1.25
    Astronomik Filters Astronomik ProPlanet 742 IR Pass Filter - 1.25" - P742-1
    $49.95
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  • Astronomik ProPlanet 742 IR-Pass Filter - 2
    Astronomik Filters Astronomik ProPlanet IR - 742 Filter - 2" Round Mounted - P742-2
    $99.95
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  • Astronomik 12 nm SII CCD Filter - 1.25
    Astronomik Filters Astronomik SII 12 nm CCD Filter - 1.25" - SII-1
    $129.95
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  • Astronomik 2
    Astronomik Filters Astronomik SII 12 nm CCD Filter - 2" - SII-2
    $289.95
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  • Astronomik 1.25
    Astronomik Filters Astronomik H-Alpha 12 nm CCD Filter - 1.25" Round Mounted - HA12-1
    $129.95
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  • Astronomik 2
    Astronomik Filters Astronomik H-Alpha 12 nm CCD Filter - 2" Round Mounted - HA12-2
    $289.95
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  • Astronomik H-Alpha 12 nm EOS Clip Filter
    Astronomik Filters Astronomik H-Alpha 12 nm EOS Clip Filter - HA12-EOS
    $189.95
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  • Astronomik Filters Astronomik LRGB Filter Set - 1.25" Round Mounted - LRGB-1
    $269.95
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  • Astronomik 2
    Astronomik Filters Astronomik LRGB Filter Set - 2" Round Mounted - LRGB-2
    $539.95
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  • Astronomik 1.25
    Astronomik Filters Astronomik OIII Visual Filter - 1.25" Round Mounted - OIII-1
    $109.95
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  • Astronomik OIII 12 nm CCD Filter - 2
    Astronomik Filters Astronomik OIII 12 nm CCD Filter - 2" Round Mounted - OIIICCD-2
    $289.95
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  • Astronomik 2
    Astronomik Filters Astronomik OIII Visual Filter - 2" Round Mounted - OIII-2
    $219.95
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  • Astronomik OIII 12 nm CCD Filter - 1.25
    Astronomik Filters Astronomik OIII 12 nm CCD Filter - 1.25" Round Mounted - OIIICCD-1
    $129.95
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  • Astronomik 12 nm OIII CCD Filter - EOS Clip
    Astronomik Filters Astronomik OIII 12 nm CCD Filter - EOS Clip - OIIICCD-EOS
    $189.95
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  • Astronomik Type 3 OWB EOS Clip Filter
    Astronomik Filters Astronomik OWB Filter - Type 3 - EOS Clip - OWBCCD-EOS
    $129.95
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  • Astronomik 1.25
    Astronomik Filters Astronomik UHC Filter - 1.25" Round Mounted - UHC-1
    $109.95
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  • Astronomik 6 nm H-Alpha Filter in 1.25
    Astronomik Filters Astronomik H-Alpha 6 nm CCD Filter - 1.25" Round Mounted - HA6-1
    $199.95
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  • Astronomik 36 mm CLS-CCD Light Pollution Filter
    Astronomik Filters Astronomik CLS CCD Light Pollution Filter - 36 mm Round - CLSCCD-36
    $129.95
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  • Astronomik 36 mm Round MC Clear Filter
    Astronomik Filters Astronomik MC Clear Glass Filter - 36 mm Round - C-36
    $59.95
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  • Astronomik 1.25
    Astronomik Filters Astronomik MC Clear Glass Filter - 1.25" Round Mounted - C-1
    $39.95
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  • Astronomik 2
    Astronomik Filters Astronomik MC Clear Glass Filter - 2" Round Mounted - C-2
    $69.95
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  • Astronomik 31 mm Round Mounted MC Clear Glass Filter
    Astronomik Filters Astronomik MC Clear Glass Filter - 31 mm Round - C-31
    $49.95
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  • Astronomik 36 mm CLS Light Pollution Filter
    Astronomik Filters Astronomik CLS Light Pollution Filter - 36 mm Round - CLS-36
    $109.95
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  • Astronomik SCT Rear Cell CLS Light Pollution Filter
    Astronomik Filters Astronomik CLS Light Pollution Filter - SC Rear Cell - CLS-SCT
    $159.95
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  • Astronomik T-Thread CLS Light Pollution Filter
    Astronomik Filters Astronomik CLS Light Pollution Filter - T-Mount - CLS-T
    $139.95
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  • Astronomik Filters Astronomik CLS-CCD Light Pollution Filter - 31 mm Round - CLSCCD-31
    $109.95
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  • Astronomik SCT Rear Cell CLS CCD Light Pollution Filter
    Astronomik Filters Astronomik CLS CCD Light Pollution Filter - SC Rear Cell - CLSCCD-SCT
    $199.95
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  • Astronomik 31 mm Round H-Alpha 12 nm CCD Filter
    Astronomik Filters Astronomik H-Alpha 12 nm CCD Filter - 31 mm Round - HA12-31
    $169.95
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