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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 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 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 H-Alpha 12 nm EOS XL Full Frame Clip Filter
    Astronomik Filters Astronomik H-Alpha 12 nm EOS XL Full Frame Clip Filter - HA12-EOSXL
    $319.95
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  • Astronomik UHC Canon EOS XL Full Frame Clip Filter
    Astronomik Filters Astronomik UHC Canon EOS XL Full Frame Clip Filter - UHC-EOSXL
    $219.95
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  • Astronomik SII 6 nm CCD EOS Clip Filter
    Astronomik Filters Astronomik SII 6 nm CCD EOS Clip Filter - SII6-EOS
    $289.95
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  • Astronomik SII 12 nm CCD Filter for Canon EOS Cameras
    Astronomik Filters Astronomik SII 12 nm CCD EOS Clip Filter - SII-EOS
    $189.95
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  • Astronomik ProPlanet 642 BP IR-Pass EOS Clip Filter
    Astronomik Filters Astronomik ProPlanet 642 BP IR-Pass Filter - EOS Clip - P642-EOS
    $109.95
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  • Astronomik OIII 12 nm CCD EOS XL Full Frame Clip Filter
    Astronomik Filters Astronomik OIII 12 nm CCD Filter - EOS XL Full Frame Clip - OIIICCD-EOSXL
    $319.95
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  • Astronomik OIII 6 nm CCD EOS XL Full Frame Clip Filter
    Astronomik Filters Astronomik OIII 6 nm CCD Filter - EOS XL Full Frame Clip - OIIICCD6-EOSXL
    $489.95
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  • Astronomik OIII 6 nm CCD Filter - Canon EOS APS-C Clip
    Astronomik Filters Astronomik OIII 6 nm CCD EOS Clip Filter - OIIICCD6-EOS
    $289.95
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  • Astronomik OWB EOS XL Full Frame Clip Filter - Type 3
    Astronomik Filters Astronomik OWB Filter - Type 3 - EOS XL Full Frame Clip - OWBCCD-EOSXL
    $179.95
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  • Astronomik SII 12 nm CCD Clip Filter - EOS XL Full Frame
    Astronomik Filters Astronomik SII 12 nm CCD EOS XL Full Frame Clip Filter - SII-EOSXL
    $319.95
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  • Astronomik SII 6 nm CCD EOS XL Full Frame Clip Filter
    Astronomik Filters Astronomik SII 6 nm CCD EOS XL Full Frame Clip Filter - SII6-EOSXL
    $489.95
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  • Astronomik MC Clear Glass EOS Clip Filter
    Astronomik Filters Astronomik MC Clear Glass Filter - EOS Clip - C-EOS
    $69.95
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  • Astronomik MC Clear Glass EOS XL Full Frame Clip Filter
    Astronomik Filters Astronomik MC Clear Glass Filter - EOS XL Full Frame Clip - C-EOSXL
    $79.95
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  • Astronomik H-Alpha 6 nm CCD Filter - EOS XL Full Frame Clip
    Astronomik Filters Astronomik H-Alpha 6 nm EOS XL Full Frame Clip Filter - HA6-EOSXL
    $489.95
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  • Astronomik L-1 UV-IR Blocker - EOS APS Clip Filter
    Astronomik Filters Astronomik L-1 UV-IR Blocking EOS Clip Filter - L1-EOS
    $99.95
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  • Astronomik L-1 UV-IR Blocker - EOS XL Full Frame Clip Filter
    Astronomik Filters Astronomik L-1 UV-IR Blocking EOS XL Full Frame Clip Filter - L1-EOSXL
    $139.95
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  • Astronomik L-2 UV-IR Blocking Filter - EOS APS Clip
    Astronomik Filters Astronomik L-2 UV-IR Blocking EOS Clip Filter - L2-EOS
    $95.95
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  • Astronomik L-3 Luminance UV-IR Blocking Filter - EOS APS Clip
    Astronomik Filters Astronomik L-3 UV-IR Blocking EOS Clip Filter - L3-EOS
    $99.95
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  • Astronomik L-3 Luminance UV-IR Blocking EOS XL Full Frame Clip Filter
    Astronomik Filters Astronomik L-3 UV-IR Blocking EOS XL Full Frame Clip Filter - L3-EOSXL
    $139.95
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  • Astronomik ProPlanet 642 IR-Pass Filter - EOS XL Full Frame Clip
    Astronomik Filters Astronomik ProPlanet 642 IR Pass EOS XL Full Frame Clip Filter - P642-EOSXL
    $149.95
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  • Astronomik ProPlanet 742 IR-Pass Filter - EOS APS Clip
    Astronomik Filters Astronomik ProPlanet 742 IR Pass EOS Clip Filter - P742-EOS
    $89.95
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  • Astronomik ProPlanet 742 IR-Pass Filter - EOS XL Full Frame Clip
    Astronomik Filters Astronomik ProPlanet 742 IR Pass EOS XL Full Frame Clip Filter - P742-EOSXL
    $99.95
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  • Astronomik ProPlanet 807 IR-Pass Filter - EOS APS Clip Format
    Astronomik Filters Astronomik ProPlanet 807 IR Pass EOS Clip Filter - P807-EOS
    $79.95
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  • Astronomik ProPlanet 807 IR-Pass Filter - EOS XL Full Frame Clip Format
    Astronomik Filters Astronomik ProPlanet 807 IR Pass EOS XL Full Frame Clip Filter - P807-EOSXL
    $99.95
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  • Astronomik UHC-E EOS APS-C Clip
    Astronomik Filters Astronomik UHC-E Filter - EOS APS-C Clip - UHCE-EOS
    $109.95
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  • Astronomik UHC-E Filter - Canon EOS XL Full Frame Clip
    Astronomik Filters Astronomik UHC-E Filter - EOS XL Full Frame Clip - UHCE-EOSXL
    $139.95
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  • Astronomik UHC Filter - Canon EOS M Clip
    Astronomik Filters Astronomik UHC Clip Filter for Canon EOS M Series Cameras - UHC-EOS-M
    $159.95
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  • Astronomik Filters Astronomik UHC-E Clip Filter for Canon EOS M Series Cameras - UHCE-EOS-M
    $119.95
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  • Astronomik CLS Clip Filter for Canon EOS M Series Cameras
    Astronomik Filters Astronomik CLS Canon EOS M Clip Filter - CLS-EOS-M
    $139.95
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  • Astronomik CLS CCD Clip Filter for Canon EOS M Series Cameras
    Astronomik Filters Astronomik CLS CCD Canon EOS M Clip Filter - CLSCCD-EOS-M
    $159.95
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  • Astronomik UHC XT Clip Filter for Canon EOS Cameras
    Astronomik Filters Astronomik UHC Canon EOS XT Clip Filter - UHC-EOS-XT
    $169.95
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  • Astronomik CLS Filter - Canon XT EOS Clip
    Astronomik Filters Astronomik CLS Canon EOS XT Clip Filter - CLS-EOS-XT
    $149.95
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  • Astronomik CLS CCD Filter - Canon XT EOS Clip
    Astronomik Filters Astronomik CLS CCD Canon EOS XT Clip Filter - CLSCCD-EOS-XT
    $179.95
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