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  • Baader Planetarium Baader LRGB CCD Filter Set - 2" Mounted - FLRGB-2
    $619.00
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  • Baader Planetarium Baader UV IR-Cut L Filter - 2" Mounted - FUVIR-2
    $132.00
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  • Lumicon Lumicon 2" UV/Infrared Filter - LF3145
    $255.00 $204.00
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  • Orion Orion SkyGlow Imaging 2" Filter - 05561
    $159.99
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  • Baader Planetarium 2
    Baader Planetarium Baader Planetarium 2" IR Pass (685 nm) Filter - FIRP-2
    $144.00
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  • Baader Planetarium 2
    Baader Planetarium Baader Visual OIII Nebula Filter - 2" - FOIII-2
    $189.00
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  • Baader 2
    Baader Planetarium Baader UHC-S Nebula Filter - L Booster - 2" - FUHC-2
    $147.00
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  • Baader 50.5 mm Round Unmounted UV-IR Cut/L Filter
    Baader Planetarium Baader UV-IR-Cut L Filter - 50.4 mm Round Unmounted - FUVIR-RD50
    $156.00 $124.80
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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 2
    Astronomik Filters Astronomik SII 12 nm CCD Filter - 2" - SII-2
    $289.95
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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 2
    Astronomik Filters Astronomik LRGB Filter Set - 2" Round Mounted - LRGB-2
    $539.95
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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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  • Baader LRGBC Filter Set
    Baader Planetarium Baader LRGBC CCD Filter Set - 2" Mounted - FLRGBC-2
    $679.00
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  • Baader H-alpha High Speed f/2 CCD Filter
    Baader Planetarium Baader f/2 High Speed H-Alpha CCD Filter - 2" Mounted - FHALHS-2
    $389.00
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  • Baader OIII High Speed f/2 CCD Filter
    Baader Planetarium Baader f/2 High Speed OIII CCD Filter - 2" Mounted - FOIIIHS-2
    $329.00
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  • Baader SII High Speed f/2 CCD Filter
    Baader Planetarium Baader f/2 High Speed SII CCD Filter - 2" Mounted - FSIIHS-2
    $352.00
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  • Baader High Speed Narrowband Filter Set - Ha, OIII, SII
    Baader Planetarium Baader f/2 High Speed Narrowband CCD Filter Set - 2" Mounted - FHSS-2
    $984.00
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  • Baader 2
    Baader Planetarium Baader 3.5 nm H-Alpha Enforced Narrowband CCD Filter - 2" Mounted - FHALNE-2
    $537.00
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  • Optolong Optolong UHC Filter - 2" Mounted - UHC-200
    $85.00
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  • Optolong Optolong L-Pro Filter - 2" Mounted - LPRO-200
    $199.00
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  • Optolong Optolong 25nm OIII Filter - 2" Mounted - OIII-200
    $108.00
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  • Optolong Optolong OIII CCD 6.5nm Filter - 2" Mounted - OIIICCD65-200
    $255.00
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  • Optolong Optolong SII CCD 6.5nm Filter - 2" Mounted - SIICCD65-200
    $250.00
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  • Optolong Optolong LRGB Filter Set - 2" Mounted - LRGB-200
    $359.00
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  • Optolong UBVRI Filter Set
    Optolong Optolong UBVRI Filter Set - 2" Mounted - UBVRI-200
    $830.00
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  • Optolong Optolong UV-IR Cut Filter - 2" Mounted - UVIR-200
    $65.00
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  • Optolong Optolong Night Sky H-Alpha Filter - 2" Mounted - NSHA-200
    $119.00
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  • Optolong Optolong IR Pass 685nm Filter - 2" Mounted - IRPS685-200
    $119.00 $95.20
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  • Explore Scientific 2
    Explore Scientific Explore Scientific 2" OIII Nebula Filter - 310200
    $119.99
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  • High Point High Point IR Blocking Filter - 2" - IRBF2
    $24.95
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  • Astronomik 6 nm H-Alpha Filter in 2
    Astronomik Filters Astronomik H-Alpha 6 nm CCD Filter - 2" Round Mounted - HA6-2
    $469.95
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  • Daystar 2
    DayStar Filters Daystar 2" UV/IR Filter - DSIUV2
    $125.00
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  • Astronomik UV-IR L2 Luminance Filter - 2
    Astronomik Filters Astronomik L-2 UV-IR Blocking Filter - 2" Round Mounted - L2-2
    $109.95
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  • ZWO 2
    ZWO Astronomy Cameras ZWO 2" IR-Cut Filter - IRCUT2
    $49.00
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  • Astronomik 2
    Astronomik Filters Astronomik OIII 6 nm CCD Filter - 2" Round Mounted - OIIICCD6-2
    $469.95
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  • Astronomik 2
    Astronomik Filters Astronomik SII 6 nm CCD Filter - 2" - SII6-2
    $469.95
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  • Astronomik Deep Sky RGB Color Filter Set - 2
    Astronomik Filters Astronomik Deep Sky RGB Color Filter Set - 2" Round Mounted - DRGB-2
    $549.95
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  • Astronomik 2
    Astronomik Filters Astronomik IR Blocking Filter - 2" Round Mounted - IR-2
    $79.95
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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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