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  • Baader Planetarium Moon & Skyglow Filter - 2
    Baader Planetarium Baader Planetarium 2" Moon and Skyglow Filter - FMS-2
    $152.00
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  • Orion Orion SkyGlow Broadband Light Pollution Reduction Filter 2" - 05659
    $69.99
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  • Lumicon Lumicon Oxygen III (OIII) 2" Filter - LF3045
    $199.95
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    free shipping
  • Celestron 2
    Celestron Celestron Ultra High Contrast (UHC) Light Pollution Reduction 2" Filter - 94124
    $109.95 $92.95
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  • Thousand Oaks Optical Thousand Oaks LP-3 Oxygen III Nebula Filter - 2" - LP-348
    $179.00
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    free shipping
  • Baader Planetarium Semi APO Filter - 2
    Baader Planetarium Baader Planetarium 2" Semi-APO Filter - FSAPO-2
    $169.00
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  • Baader Planetarium Baader LRGB CCD Filter Set - 2" Mounted - FLRGB-2
    $619.00
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  • Lumicon Lumicon 2" Minus Violet Filter - LF3125
    $80.00
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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" Deep Sky Filter - LF3015
    $199.95
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    free shipping
  • Orion Orion Ultrablock Narrowband Light Pollution Reduction Filter 2" - 05657
    $99.99
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  • Baader Planetarium Contrast Boost Filter - 2
    Baader Planetarium Baader Planetarium 2" Contrast Booster Filter - FCB-2
    $147.00
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  • Baader Planetarium 6-Piece Eyepiece Color Filter Set - 2
    Baader Planetarium Baader Planetarium 2" Six Piece Eyepiece Filter Set - FCFS-2
    $399.00
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  • Baader Planetarium Fringe Killer Filter - 2
    Baader Planetarium Baader Planetarium 2" Fringe Killer Filter - FFK-2
    $138.00
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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 Baader Planetarium 2" ND 0.6 Neutral Density Filter - FND0-2
    $84.00
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  • Baader Planetarium Baader Planetarium 2" ND 0.9 Neutral Density Filter - FND1-2
    $84.00
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  • Baader Planetarium Baader Planetarium 2" ND 1.8 Neutral Density Filter - FND2-2
    $84.00
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  • Baader Planetarium Baader Planetarium 2" ND 3.0 Neutral Density - FND3-2
    $84.00
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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 - 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
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  • Celestron Celestron Oxygen III (OIII) Narrowband 2" Filter - 93624
    $119.95 $99.95
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    free shipping
  • Lumicon Lumicon 2" Ultra High Contrast (UHC) Filter - LF3030
    $199.95
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    free shipping
  • Lumicon Lumicon 2" Hydrogen Beta (H-Beta) Filter - LF3060
    $199.95
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    free shipping
  • Lumicon Lumicon 2" Comet Filter - LF3075
    $199.95
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    free shipping
  • Lumicon Lumicon 2" UV/Infrared Filter - LF3145
    $255.00
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    free shipping
  • Orion Orion SkyGlow Imaging 2" Filter - 05561
    $159.99
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  • Orion Orion Variable Polarizing 2" Moon Filter - 05562
    $59.99
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  • Orion Orion Oxygen III Nebula 2" Filter - 05582
    $129.99
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    free shipping
  • Orion Orion Hydrogen-Beta Nebula 2" Filter - 05584
    $129.99
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  • Orion Orion 2" Neutral-Density Moon Filter - 13% Light Transmission - 05594
    $24.99
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  • Thousand Oaks Optical Thousand Oaks LP-1 Broadband Nebula Filter - 2" - LP-148
    $179.00
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    free shipping
  • Thousand Oaks Optical Thousand Oaks LP-2 Nebula Filter Narrowband - 2" - LP-248
    $179.00
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    free shipping
  • Baader 2
    Baader Planetarium Baader 35 nm Midband H-Alpha CCD Filter - 2" Mounted - FHAL-2
    $199.00
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  • Baader Planetarium 2
    Baader Planetarium Baader H-Alpha 7 nm Narrowband CCD Filter - 2" Mounted - FHALN-2
    $309.00
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  • Baader 8.5 nm H-Beta Filter
    Baader Planetarium Baader 8.5 nm H-Beta Narrowband CCD Filter - 2" Mounted - FHBN-2
    $219.00
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  • Baader Planetarium 2
    Baader Planetarium Baader OIII 8.5 nm Narrowband CCD Filter - 2" Mounted - FOIIIN-2
    $227.00
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    free shipping
  • Baader Planetarium 2
    Baader Planetarium Baader S-II 8 nm Narrowband CCD Filter - 2" Mounted - FSIIN-2
    $234.00
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    free shipping
  • Baader Planetarium Baader Planetarium 2" U Filter - FUV-2
    $387.00
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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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