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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 50 mm Round 6 nm OIII CCD Filter
    Astronomik Filters Astronomik OIII 6 nm CCD Filter - 50 mm Round - OIIICCD6-50R
    $469.95
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  • Astronomik 50 mm Round SII 12 nm CCD Filter
    Astronomik Filters Astronomik SII 12 nm CCD Filter - 50 mm Round - SII-50R
    $299.95
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  • Astronomik 50 mm Round SII 6 nm CCD Filter
    Astronomik Filters Astronomik SII 6 nm CCD Filter - 50 mm Round - SII6-50R
    $469.95
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  • Astronomik 50 mm Round MC Clear Glass Filter
    Astronomik Filters Astronomik MC Clear Glass Filter - 50 mm Round - C-50R
    $59.95
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  • Astronomik 50 mm Round CLS Light Pollution Filter
    Astronomik Filters Astronomik CLS Light Pollution Filter - 50 mm Round - CLS-50R
    $159.95
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  • Astronomik 50 mm Round CLS CCD Light Pollution Filter
    Astronomik Filters Astronomik CLS CCD Light Pollution Filter - 50 mm Round - CLSCCD-50R
    $199.95
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  • Astronomik 50 mm Round H-Alpha 12 nm CCD Filter
    Astronomik Filters Astronomik H-Alpha 12 nm CCD Filter - 50 mm Round - HA12-50R
    $299.95
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  • Astronomik 50 mm Round H-Alpha 6 nm CCD Filter
    Astronomik Filters Astronomik H-Alpha 6 nm CCD Filter - 50 mm Round - HA6-50R
    $469.95
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  • Astronomik L-1 UV-IR Blocking Luminance Filter - 50 mm Round
    Astronomik Filters Astronomik L-1 UV-IR Blocking Filter - 50 mm Round - L1-50R
    $129.95
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  • Astronomik L-2 UV-IR Blocker - 50 mm Round Filter
    Astronomik Filters Astronomik L-2 UV-IR Blocking Filter - 50 mm Round - L2-50R
    $109.95
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  • Astronomik 50 mm Round L-3 UV-IR Blocking Filter
    Astronomik Filters Astronomik L-3 UV-IR Blocking Filter - 50 mm Round - L3-50R
    $129.95
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  • Astronomik 50 mm ProPlanet 642 IR-Pass Filter - Round
    Astronomik Filters Astronomik ProPlanet 642 IR Pass Filter - 50 mm Round - P642-50R
    $129.95
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  • Astronomik Luminance Filter Type 2C - 50 mm Round Mounted
    Astronomik Filters Astronomik Luminance Filter Type 2C - 50 mm Round Mounted - L-50R
    $99.95 $84.95
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  • Astrodon 50 mm Round Unmounted Luminance Gen2 UV/NIR Block Filter
    Astrodon Astrodon Luminance Gen2 UV/NIR Blocking Filter - 49.7 mm Round Unmounted - L2-50R
    $318.00
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  • Astrodon Narrowband Filters
    Astrodon Astrodon 5 nm H-Alpha Narrowband Filter - 49.7 mm Round Unmounted - HA5-50R
    $870.00
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  • Astrodon Narrowband Filters
    Astrodon Astrodon 5 nm SII Narrowband Filter - 49.7 mm Round Unmounted - SII5-50R
    $870.00
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  • Astrodon Narrowband Filters
    Astrodon Astrodon 5 nm OIII Narrowband Filter - 49.7 mm Round Unmounted - OIII5-50R
    $870.00
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  • Astrodon Narrowband Filters
    Astrodon Astrodon 5 nm Red Continuum Narrowband Filter - 49.7 mm Round Unmounted - REDCON5-50R
    $870.00
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  • Astrodon UVenus UV Imaging Filter
    Astrodon Astrodon UVenus UV Imaging Filter - 49.7 mm Round Unmounted - UVENUS-50R
    $462.00
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  • Astrodon 49.7 mm Round Unmounted Clear Filter with UV Blocking Only (No NIR Blocking)
    Astrodon Astrodon Clear Filter with UV-Blocking Only - 49.7 mm Round Unmounted - C2-50R
    $311.00
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  • Astrodon 50 mm Round Unmounted Edge-Blackened Photometric Sloan Gen2 U Filter
    Astrodon Astrodon Photometric Sloan Gen2 U Filter - 320/385 nm - 49.7 mm Round Unmounted - U2-50R
    $500.00
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  • Astrodon Edge-Blackened Sloan Generation 2 G Filter - 49.7 mm Round Unmounted
    Astrodon Astrodon Photometric Sloan Gen2 G Filter - 401/550 nm - 49.7 mm Round Unmounted - G2-50R
    $500.00
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  • Astrodon 49.7 mm Round Unmounted Generation 2 Edge-Blackened Sloan R Filter
    Astrodon Astrodon Photometric Sloan Gen2 R Filter - 562/695 nm - 49.7 mm Round Unmounted - R2-50R
    $500.00
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  • Astrodon Photometric Sloan Generation 2 I Filter - 49.7 mm Round Unmounted
    Astrodon Astrodon Photometric Sloan Gen2 I Filter - 695/844 nm - 49.7 mm Round Unmounted - I2-50R
    $500.00
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  • Astrodon 49.7 mm Edge-Blackened Photometrics Sloan Gen2 Y Filter - Round, Unmounted
    Astrodon Astrodon Photometrics Sloan Gen2 Y Filter - 950/1058 nm - 49.7 mm Round Unmounted - Y2-50R
    $500.00
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  • Astrodon Edge-Blackened Sloan Gen2 Z Filter - 49.7 mm Round Unmounted
    Astrodon Astrodon Photometrics Sloan Gen2 Z Filter - >826 nm - 49.7 mm Round Unmounted - Z2-50R
    $500.00
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  • Astrodon 49.7 mm Round Unmounted Edge-Blackened Sloan Gen2 Z-S Filter
    Astrodon Astrodon Photometrics Sloan Gen2 Z-S Filter - 826/920 nm - 49.7 mm Round Unmounted - Z-S2-50R
    $500.00
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  • Astronomik UHC-E 50 mm Round Filter
    Astronomik Filters Astronomik UHC-E Filter - 50 mm Round - UHCE-50R
    $129.95
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  • Astronomik 50 mm Round Color Filter - Red
    Astronomik Filters Astronomik Red Type 2c Filter - 50 mm Round - R-50R
    $159.95
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  • Astronomik 50 mm Round Color Filter - Green
    Astronomik Filters Astronomik Green Type 2c Filter - 50 mm Round - G-50R
    $159.95
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  • Astronomik 50 mm Round Color Filter - Blue
    Astronomik Filters Astronomik Blue Type 2c Filter - 50 mm Round - B-50R
    $159.95
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  • Astronomik 50 mm Round ProPlanet 742 IR-Pass Filter
    Astronomik Filters Astronomik ProPlanet 742 IR-Pass Filter - 50 mm Round - P742-50R
    $99.95
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  • Astronomik 50 mm Round ProPlanet 807 IR-Pass Filter
    Astronomik Filters Astronomik ProPlanet 807 IR Pass Filter - 50 mm Round - P807-50R
    $99.95
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  • Astrodon Narrowband Filters
    Astrodon Astrodon 3 nm NII Narrowband Filter - 49.7 mm Round Unmounted - NII3-50R
    $1,145.00
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  • Astrodon Johnson-Cousins UVBRI Photometric Filters
    Astrodon Astrodon Photometric Johnson-Cousins UV Filter - 49.7 mm Round Unmounted - UV-50R
    $500.00
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  • Astrodon Johnson-Cousins UVBRI Photometric Filters
    Astrodon Astrodon Photometric Johnson-Cousins B Filter - 49.7 mm Round Unmounted - B-50R
    $500.00
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  • Astrodon Johnson-Cousins UVBRI Photometric Filters
    Astrodon Astrodon Photometric Johnson-Cousins V Filter - 49.7 mm Round Unmounted - V-50R
    $500.00
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  • Astrodon Johnson-Cousins UVBRI Photometric Filters
    Astrodon Astrodon Photometric Johnson-Cousins Rc Filter - 49.7 mm Round Unmounted - RC-50R
    $500.00
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  • Astrodon Johnson-Cousins UVBRI Photometric Filters
    Astrodon Astrodon Photometric Johnson-Cousins Ic Filter - 49.7 mm Round Unmounted - IC-50R
    $500.00
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One of the most crucial accessories of astro-imaging is filters. Eyepiece filters are an invaluable aid in lunar and planetary observing. They reduce glare and light scattering, increase contrast through selective filtration, increase definition and resolution, reduce irradiation and lessen eye fatigue. Different filters will act differently, highlighting a rainbow of wavelengths to enhance a variety of features in the night sky.


Deep-space imaging in particular benefits from filters. Far away celestial objects, such as nebulae come to life in your photos with vivid colors. We recommend starting out with an h-alpha filter to filter out broadband light pollution while only allowing a very narrow bandwidth of light to pass through. These are a favorite filter among astrophotographers!


We offer deep sky filters and planetary filters from Lumicon, Baader Planetarium, Celestron, TeleVue, Meade, Orion, High Point & Thousand Oaks. Telescope filters will add to the performance of virtually any telescope and are a highly recommended telescope accessory. Feel free to contact one of our telescope experts for advice on selecting the filter assortment that is right for you.

High Point Scientific is rated 4.9/5 based on 1347 reviews

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