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  • Baader Planetarium Semi APO Filter - 1.25
    Baader Planetarium Baader Planetarium 1.25" Semi APO Filter - FSAPO-1
    $94.00
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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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  • Baader 1.25
    Baader Planetarium Baader UV - IR Cut L Filter - 1.25" Mounted - FUVIR-1
    $73.00
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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 OIII Narrowband Filter - 1.25
    Celestron Celestron Oxygen III (OIII) Narrowband 1.25" Filter - 93623
    $89.95 $75.95
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  • Celestron Celestron Oxygen III (OIII) Narrowband 2" Filter - 93624
    $119.95 $99.95
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  • Celestron 1.25
    Celestron Celestron 1.25" Moon Filter 18 % Light Transmission - 94119-A
    $14.95 $8.95
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  • Celestron Celestron 1.25" Ultra High Contrast (UHC) Light Pollution Reduction Filter - 94123
    $79.95 $69.95
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  • High Point High Point 1.25" Neutral Density Filter 25% Transmission ND96-0.6 - ND61
    $9.95
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  • Lumicon Lumicon Deep Sky 1.25" Filter - LF3010
    $100.00
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  • Lumicon Lumicon Deep Sky Thread on Filter for Schmidt-Cassegrain Rear Cell - LF3020
    $200.00
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    free shipping
  • Lumicon Lumicon 2" Ultra High Contrast (UHC) Filter - LF3030
    $200.00
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    free shipping
  • Lumicon Lumicon Ultra High Contrast (UHC) Thread-on Filter for Schmidt-Cassegrain Rear Cell - LF3035
    $200.00
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  • Lumicon 1.25
    Lumicon Lumicon Gen 3 OIII Oxygen III Filter - 1.25" - LF3040
    $100.00
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  • Lumicon Lumicon Oxygen III (OIII) Thread-on Filter for Schmidt-Cassegrain Rear Cell - LF3050
    $200.00
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  • Lumicon Lumicon 1.25" Hydrogen Beta (H-Beta) Filter - LF3055
    $100.00
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    free shipping
  • Lumicon Lumicon 2" Hydrogen Beta (H-Beta) Filter - LF3060
    $200.00
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    free shipping
  • Lumicon Lumicon Hydrogen Beta (H-Beta) Thread-on Filter for Schmidt-Cassegrain Rear Cell - LF3065
    $200.00
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  • Lumicon Lumicon 2" Comet Filter - LF3075
    $200.00
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  • Lumicon Lumicon Comet Thread-on Filter for Schmidt-Cassegrain Rear Cell - LF3080
    $200.00
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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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  • Lumicon Lumicon 1.25" Minus Violet Filter - LF3120
    $60.00
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  • Lumicon 1.25
    Lumicon Lumicon 1.25" UV/Infrared Filter - LF3140
    $190.00
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  • Lumicon Lumicon 2" UV/Infrared Filter - LF3145
    $255.00
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  • Meade Meade 1.25" Series 4000 Variable Polarizing Filter - 07286
    $49.99 $42.95
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  • Meade Meade 1.25" - #3200 - Lunar and Planetary Color Filter Set - 07544
    $39.99 $32.95
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  • Orion Orion Basic Set of Four Color 1.25" Filters - 05514
    $49.99
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  • 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 1.25" Filter - 05581
    $99.99
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  • Orion Orion Oxygen III Nebula 2" Filter - 05582
    $129.99
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  • Orion Orion Hydrogen-Beta Nebula 1.25" Filter - 05583
    $99.99
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  • Orion Orion Hydrogen-Beta Nebula 2" Filter - 05584
    $129.99
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  • Orion Orion Deluxe Stargazer 1.25" Filter Set - 05590
    $119.99
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  • Orion Orion 2" Neutral-Density Moon Filter - 13% Light Transmission - 05594
    $24.99
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  • Orion Orion Neutral Density Moon Filter 1.25" - 25% Light Transmission - 05598
    $22.99
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  • Orion Orion Ultrablock Narrowband Light Pollution Reduction Filter 1.25" - 05654
    $79.99
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  • Orion Orion SkyGlow Broadband Light Pollution Reduction Filter 1.25" - 05660
    $49.99
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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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