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Deep Sky Filters

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  • Lumicon Lumicon 1.25" Night Sky Hydrogen - Alpha (Ha) Filter - LF3085
    $55.00
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  • Lumicon Lumicon 82 mm Night Sky Hydrogen - Alpha (Ha) Filter - LF3115
    $450.00
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  • Baader Planetarium 1.25
    Baader Planetarium Baader Visual OIII Nebula Filter - 1.25" - FOIII-1
    $109.00
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  • Baader Planetarium 2
    Baader Planetarium Baader Visual OIII Nebula Filter - 2" - FOIII-2
    $189.00
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  • Baader UHC-S Nebula Filter with L Booster - 1.25
    Baader Planetarium Baader UHC-S Nebula Filter - L Booster - 1.25" Mounted - FUHC-1
    $89.00
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  • Baader 2
    Baader Planetarium Baader UHC-S Nebula Filter - L Booster - 2" - FUHC-2
    $147.00
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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 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 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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  • Baader 50.4 mm Round Unmounted UHC-S L Booster Filter
    Baader Planetarium Baader UHC-S Nebula Filter - L Booster - 50.4 mm Round Unmounted - FUHC-RD50
    $184.00
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  • Baader 50 mm Square Unmounted UHC-S L Booster Filter
    Baader Planetarium Baader UHC-S Nebula Filter - L Booster - 50 mm Square Unmounted - FUHC-SQ50
    $226.00
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  • Optolong Optolong UHC Filter - 2" Mounted - UHC-200
    $85.00
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  • Optolong Optolong OIII 25nm Filter - 1.25" Mounted - OIII-125
    $78.00
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  • Optolong Optolong 25nm OIII Filter - 2" Mounted - OIII-200
    $108.00
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  • Explore Scientific 1.25
    Explore Scientific Explore Scientific 1.25" OIII Nebula Filter - 310205
    $89.99 $71.99
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  • Explore Scientific 2
    Explore Scientific Explore Scientific 2" OIII Nebula Filter - 310200
    $119.99
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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 $135.96
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  • Astronomik 36 mm Round H-Alpha 12 nm CCD Filter
    Astronomik Filters Astronomik H-Alpha 12 nm CCD Filter - 36 mm Round - HA12-36
    $189.95
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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 H-Alpha 12 nm T-Mount CCD Filter
    Astronomik Filters Astronomik H-Alpha 12 nm CCD Filter - T-Mount - HA12-T
    $269.95 $215.96
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  • Astronomik 31 mm Round UHC Filter
    Astronomik Filters Astronomik UHC Filter - 31 mm Round - UHC-31
    $109.95
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  • Astronomik 36 mm Round UHC Filter
    Astronomik Filters Astronomik UHC Filter - 36 mm Round - UHC-36
    $129.95
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  • Astronomik UHC Canon EOS Clip Filter
    Astronomik Filters Astronomik UHC Canon EOS Clip Filter - UHC-EOS
    $159.95
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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 OIII 12 nm CCD Filter - 31 mm Round
    Astronomik Filters Astronomik OIII 12 nm CCD Filter - 31 mm Round - OIIICCD-31
    $169.95
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  • Astronomik 12 nm O-III CCD Filter - 36 mm Round
    Astronomik Filters Astronomik OIII 12 nm CCD Filter - 36 mm Round - OIIICCD-36
    $189.95
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  • Astronomik OIII 12 nm CCD Filter - 50 mm Round
    Astronomik Filters Astronomik OIII 12 nm CCD Filter - 50 mm Round - OIIICCD-50R
    $299.95
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  • Astronomik 31 mm Round SII 12 nm CCD Filter
    Astronomik Filters Astronomik SII 12 nm CCD Filter - 31 mm - SII-31
    $169.95
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  • Astronomik 1.25
    Astronomik Filters Astronomik SII 6 nm CCD Filter - 1.25" - SII6-1
    $199.95
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  • Astronomik 6 nm OIIICCD Filter - 1.25
    Astronomik Filters Astronomik OIII 6 nm CCD Filter - 1.25" Round Mounted - OIIICCD6-1
    $199.95
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