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  • Lumicon Lumicon 1.25" Ultra High Contrast (UHC) Filter - LF3025
    $99.95
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    free shipping
  • Orion Orion Variable Polarizing Moon 1.25" Filter - 05560
    $29.99
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    No free shipping.
  • Baader Planetarium Moon & Skyglow Filter - 2
    Baader Planetarium Baader Planetarium 2" Moon and Skyglow Filter - FMS-2
    $132.00
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    No free shipping.
  • Orion Orion SkyGlow Broadband Light Pollution Reduction Filter 2" - 05659
    $69.99
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  • Thousand Oaks Optical Thousand Oaks LP-1 Broadband Nebula Filter - 1.25" - LP-125
    $89.00
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    free shipping
  • 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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  • Baader Planetarium Fringe Killer Filter - 1.25
    Baader Planetarium Baader Planetarium 1.25" Fringe Killer Filter - FFK-1
    $78.00
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  • High Point High Point 1.25" Moon Filter - MF1
    $10.95
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  • Orion Orion 1.25" LRGB Filter Set - 05563
    $149.99
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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
  • Orion Orion 1.25" Jupiter Observation Eyepiece Filter - 05188
    $19.99
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  • Lumicon Lumicon 1.25" Comet Filter - LF3070
    $99.95
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    free shipping
  • Baader Planetarium Semi APO Filter - 2
    Baader Planetarium Baader Planetarium 2" Semi-APO Filter - FSAPO-2
    $147.00
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  • High Point High Point 1.25" Neutral Density Filter 13% Transmission - ND96-0.9 - ND91
    $9.95
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  • Baader Planetarium Baader LRGB CCD Filter Set - 2" Mounted - FLRGB-2
    $619.00
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  • Orion Orion SkyGlow Imaging 1.25" Filter - 05559
    $99.99
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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
  • Meade Meade 1.25" #1 Color Filter Set - 07530
    $49.99 $39.95
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    free shipping
  • Orion Orion Ultrablock Narrowband Light Pollution Reduction Filter 2" - 05657
    $99.99
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  • Thousand Oaks Optical Thousand Oaks LP-2 Narrowband Nebula Filter - 1.25" - LP-225
    $89.00
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    free shipping
  • iOptron Green Moon Filter
    iOptron iOptron Green Moon Filter - TFE100
    $14.00
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  • Baader Planetarium Contrast Boost Filter - 1.25
    Baader Planetarium Baader Planetarium 1.25" Contrast Booster Filter - FCB-1
    $81.00
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  • Baader Planetarium Contrast Boost Filter - 2
    Baader Planetarium Baader Planetarium 2" Contrast Booster Filter - FCB-2
    $123.00
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  • Baader Planetarium 6-Piece Eyepiece Color Filter Set - 1.25
    Baader Planetarium Baader Planetarium 1.25" Six Piece Eyepiece Filter Set - FCFS-1
    $199.00
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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
    $319.00
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  • Baader Planetarium Fringe Killer Filter - 2
    Baader Planetarium Baader Planetarium 2" Fringe Killer Filter - FFK-2
    $119.00
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  • Baader Planetarium 1.25
    Baader Planetarium Baader Planetarium 1.25" IR Pass (685 nm) Filter - FIRP-1
    $91.00
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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 LRGB CCD Filter Set - 1.25" Mounted - FLRGB-1
    $379.00
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    free shipping
  • Baader Planetarium Moon & Skyglow Filter - 1.25
    Baader Planetarium Baader Planetarium 1.25" Moon & Skyglow Filter - FMS-1
    $79.00
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  • Baader Planetarium Baader Planetarium 2" ND 0.6 Neutral Density Filter - FND0-2
    $68.00
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  • Baader Planetarium Baader Planetarium 1.25" ND 0.9 Neutral Density Filter - FND1-1
    $41.00
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    No free shipping.
  • Baader Planetarium Baader Planetarium 2" ND 0.9 Neutral Density Filter - FND1-2
    $68.00
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  • Baader Planetarium ND 1.8 Neutral Density Filter - 1.25
    Baader Planetarium Baader Planetarium 1.25" ND 1.8 Neutral Density Filter - FND2-1
    $41.00
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  • Baader Planetarium Baader Planetarium 2" ND 1.8 Neutral Density Filter - FND2-2
    $68.00
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  • Baader Planetarium Baader Planetarium 1.25" ND 3.0 Neutral Density Filter - FND3-1
    $41.00
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  • Baader Planetarium Baader Planetarium 2" ND 3.0 Neutral Density - FND3-2
    $68.00
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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.

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