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  • Astronomik ProPlanet 642 IR-Pass SCT Rear Cell Mounted Filter
    Astronomik Filters Astronomik ProPlanet 642 IR Pass Filter - SCT Rear Cell - P642-SCT
    $139.95
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  • Astronomik ProPlanet 642 IR-Pass Filter - T-Thread Mounted
    Astronomik Filters Astronomik ProPlanet 642 IR Pass Filter - T-Mount - P642-T
    $119.95
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  • Astronomik ProPlanet 742 IR-Pass 31 mm Round Filter
    Astronomik Filters Astronomik ProPlanet 742 IR Pass Filter - 31 mm Round - P742-31
    $59.95
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  • Astronomik 36 mm Round ProPlanet 742 IR Pass Filter
    Astronomik Filters Astronomik ProPlanet 742 IR Pass Filter - 36 mm Round - P742-36
    $69.95
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  • Astronomik ProPlanet 742 IR-Pass Filter - T-Mount
    Astronomik Filters Astronomik ProPlanet 742 IR Pass Filter - T-Mount - P742-T
    $85.95
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  • Astronomik 2
    Astronomik Filters Astronomik ProPlanet 807 IR Pass Filter - 2" Round Mounted - P807-2
    $99.95
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  • Astronomik ProPlanet 807 IR-Pass Filter - 31 mm Round
    Astronomik Filters Astronomik ProPlanet 807 IR Pass Filter - 31 mm Round - P807-31
    $55.95
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  • Astronomik 36 mm Round ProPlanet 807 IR-Pass Filter
    Astronomik Filters Astronomik ProPlanet 807 IR Pass Filter - 36 mm Round - P807-36
    $69.95
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  • Astronomik T-Thread Mounted ProPlanet 807 IR-Pass Filter
    Astronomik Filters Astronomik ProPlanet 807 IR Pass Filter - T-Mount - P807-T
    $85.95
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  • Astronomik SII 12 nm CCD T-Mount Filter
    Astronomik Filters Astronomik SII 12 nm CCD Filter - T-Mount - SII-T
    $269.95
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  • Astronomik 50 mm Round UHC Filter
    Astronomik Filters Astronomik UHC Filter - 50 mm Round - UHC-50R
    $199.95
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  • Astronomik 1.25
    Astronomik Filters Astronomik UHC-E Filter - 1.25" Round Mounted - UHCE-1
    $65.95
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  • Astronomik UHC-E Filter - 2
    Astronomik Filters Astronomik UHC-E Filter - 2" Round Mounted - UHCE-2
    $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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  • Baader Planetarium Single Polarizing Filter - 1.25
    Baader Planetarium Baader 1.25" Single Polarizing Filter - FPOL-1
    $54.00
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  • Baader Planetarium Single Polarizing Filter - 2
    Baader Planetarium Baader 2" Single Polarizing Filter - FPOL-2
    $83.00
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  • Baader Double Polarizing Filter - 1.25
    Baader Planetarium Baader 1.25" Double Polarizing Filter - FPOL-1D
    $97.00
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  • Baader Double Polarizing Filter - 2
    Baader Planetarium Baader 2" Double Polarizing Filter - FPOL-2D
    $137.00
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  • Baader Planetarium Ultraviolet Photometric Filter - 1.25
    Baader Planetarium Baader 1.25" Photometric Filter - Ultraviolet - FUBVRI-U
    $197.00
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  • Baader Planetarium Visual Photometric Filter - 1.25
    Baader Planetarium Baader 1.25" Photometric Filter - Visual - FUBVRI-V
    $197.00
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  • Baader Planetarium Blue Photometric Filter - 1.25
    Baader Planetarium Baader 1.25" Photometric Filter - Blue - FUBVRI-B
    $197.00
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  • Baader Planetarium Red Photometric Filter - 1.25
    Baader Planetarium Baader 1.25" Photometric Filter - Red - FUBVRI-R
    $197.00
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  • Baader Planetarium 1.25
    Baader Planetarium Baader 1.25" Photometric Filter - Infrared - FUBVRI-I
    $197.00
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  • Baader 1.25
    Baader Planetarium Baader 1.25" UBVRI Photometric Filter Set - FUBVRIS-1
    $899.00
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  • Baader Planetarium 36 mm UHC-S L-Booster Filter - Round Mounted
    Baader Planetarium Baader UHC-S L-Booster Filter - 36 mm Round Unmounted - FUHC-RD36
    $104.00
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  • Baader Planetarium 31 mm Round Unmounted UV-IR Cut Luminance Filter
    Baader Planetarium Baader 31 mm UV-IR Cut L-Filter - FUVIR-RD31
    $60.00
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  • Baader Planetarium 36 mm Round Unmounted UV-IR Cut Luminance Filter
    Baader Planetarium Baader 36 mm UV-IR Cut L-Filter - FUVIR-RD36
    $96.00
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  • Astronomik Filters Astronomik 2" Dark Frame Filter - DARK-2
    $49.95
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  • Stellarvue Moon Filter with 20% Transmission - 1.25
    Stellarvue Stellarvue 1.25" Moon Filter - 20% Transmission - XM
    $12.00
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  • Orion 1.25
    Orion Orion 1.25" Dark Frame Imaging Filter - 05451
    $19.99 $17.99
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  • Optolong Optolong Clear Sky Filter - 77mm Round Mounted - CS-77
    $207.00
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  • Optolong Optolong Clear Sky Filter - 82mm Round Mounted - CS-82
    $259.00
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  • Optolong 1.25
    Optolong Optolong 1.25" Filter Set with LRGB, H-Alpha, SII, and OIII Filters - LRGB-HASIIOIII-125
    $665.00
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  • 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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  • Optolong Optolong 31mm Unmounted Filter Set with LRGB, H-Alpha, SII, and OIII Filters - LRGB-HASIIOIII-31U
    $705.00
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  • Optolong Optolong 36mm Unmounted Filter Set with LRGB, H-Alpha, SII, and OIII Filters - LRGB-HASIIOIII-36U
    $775.00
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  • Optolong LRGB and 7nm H-Alpha Filter Se
    Optolong Optolong 1.25" LRGB and 7nm H-Alpha Filter Set - LRGB-HA-125
    $399.00
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  • 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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  • Optolong Optolong 31mm Unmounted LRGB and 7nm H-Alpha Filter Set - LRGB-HA-31U
    $460.00
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  • Optolong Optolong 36mm Unmounted LRGB and 7nm H-Alpha Filter Set - LRGB-HA-36U
    $465.00
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Your new telescope finally arrived- you opened the box and assembled the scope as carefully as you can. Once darkness falls, the first thing you do is point it up at the Moon and look into the eyepiece. Wow. But if you can imagine, the Moon actually can appear better than that when properly filtered. Telescopes have the ability to attach filters for many different purposes - some of the most common filters are for looking at the Moon, Planets, and Sun.


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.


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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