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Let our non-commissioned product advisors help you select the best filter to achieve your observation goals! Whether you need filters for astrophotography or visual use we'll help you find the perfect filter to complement your equipment.


Bring out as much detail as possible in your celestial targets with OIII, ultra high contrast, and hydrogen filters perfect for astrophotography. Or get more details on planets with neutral density, Skyglow, Longpass and color filters. We offer high-quality deep sky and planetary filters from manufacturers like Lumicon, Baader Planetarium, Celestron, TeleVue, Meade, Orion, High Point & Thousand Oaks.

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  • Lumicon Lumicon 1.25" Ultra High Contrast (UHC) Filter - LF3025
    $100.00
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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
    $152.00
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    No free shipping.
  • Orion Orion SkyGlow Broadband Light Pollution Reduction Filter 2" - 05659
    $69.99
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    No free shipping.
  • Thousand Oaks Optical Thousand Oaks LP-1 Broadband Nebula Filter - 1.25" - LP-125
    $89.00
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    free shipping
  • Lumicon Lumicon Gen 3 OIII Oxygen III Filter - 2" - LF3045
    $200.00
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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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    No free shipping.
  • Baader Planetarium Fringe Killer Filter - 1.25
    Baader Planetarium Baader Planetarium 1.25" Fringe Killer Filter - FFK-1
    $96.00
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    No free shipping.
  • High Point High Point 1.25" Moon Filter - MF1
    $10.95
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    No free shipping.
  • 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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    No free shipping.
  • Lumicon Lumicon 1.25" Comet Filter - LF3070
    $100.00
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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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    No free shipping.
  • High Point High Point 1.25" Neutral Density Filter 13% Transmission - ND96-0.9 - ND91
    $9.95
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    No free shipping.
  • Orion Orion SkyGlow Imaging 1.25" Filter - 05559
    $99.99
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    No free shipping.
  • Lumicon Lumicon 2" Minus Violet Filter - LF3125
    $80.00
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    No free shipping.
  • Baader Planetarium Baader UV IR-Cut L Filter - 2" Mounted - FUVIR-2
    $132.00
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    No free shipping.
  • Lumicon Lumicon 2" Deep Sky Filter - LF3015
    $200.00
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    free shipping
  • Orion Orion Ultrablock Narrowband Light Pollution Reduction Filter 2" - 05657
    $99.99
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    No free shipping.
  • 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 - 1.25" - TFE100
    $14.00
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    No free shipping.
  • Baader Planetarium Contrast Boost Filter - 1.25
    Baader Planetarium Baader Planetarium 1.25" Contrast Booster Filter - FCB-1
    $92.00
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    No free shipping.
  • Baader Planetarium Contrast Boost Filter - 2
    Baader Planetarium Baader Planetarium 2" Contrast Booster Filter - FCB-2
    $147.00
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    No free shipping.
  • Baader Planetarium Fringe Killer Filter - 2
    Baader Planetarium Baader Planetarium 2" Fringe Killer Filter - FFK-2
    $138.00
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    No free shipping.
  • Baader Planetarium 1.25
    Baader Planetarium Baader Planetarium 1.25" IR Pass (685 nm) Filter - FIRP-1
    $91.00
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    No free shipping.
  • Baader Planetarium 2
    Baader Planetarium Baader Planetarium 2" IR Pass (685 nm) Filter - FIRP-2
    $144.00
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    No free shipping.
  • Baader Planetarium Moon & Skyglow Filter - 1.25
    Baader Planetarium Baader Planetarium 1.25" Moon & Skyglow Filter - FMS-1
    $92.00
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    No free shipping.
  • Baader Planetarium Baader Planetarium 2" ND 0.6 Neutral Density Filter - FND0-2
    $84.00
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    No free shipping.
  • Baader Planetarium Baader Planetarium 1.25" ND 0.9 Neutral Density Filter - FND1-1
    $49.00
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    No free shipping.
  • Baader Planetarium Baader Planetarium 2" ND 0.9 Neutral Density Filter - FND1-2
    $84.00
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    No free shipping.
  • Baader Planetarium ND 1.8 Neutral Density Filter - 1.25
    Baader Planetarium Baader Planetarium 1.25" ND 1.8 Neutral Density Filter - FND2-1
    $49.00
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    No free shipping.
  • Baader Planetarium Baader Planetarium 2" ND 1.8 Neutral Density Filter - FND2-2
    $84.00
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    No free shipping.
  • Baader Planetarium Baader Planetarium 1.25" ND 3.0 Neutral Density Filter - FND3-1
    $49.00
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    No free shipping.
  • Baader Planetarium Baader Planetarium 2" ND 3.0 Neutral Density - FND3-2
    $84.00
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    No free shipping.
  • Baader Planetarium 1.25
    Baader Planetarium Baader Visual OIII Nebula Filter - 1.25" - FOIII-1
    $109.00
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    No free shipping.
  • Baader Planetarium 2
    Baader Planetarium Baader Visual OIII Nebula Filter - 2" - FOIII-2
    $189.00
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    No free shipping.
  • Baader Planetarium Semi APO Filter - 1.25
    Baader Planetarium Baader Planetarium 1.25" Semi APO Filter - FSAPO-1
    $94.00
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    No free shipping.
  • 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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    No free shipping.
  • Baader 2
    Baader Planetarium Baader UHC-S Nebula Filter - L Booster - 2" - FUHC-2
    $147.00
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    No free shipping.
  • Baader 1.25
    Baader Planetarium Baader UV - IR Cut L Filter - 1.25" Mounted - FUVIR-1
    $73.00
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    No free shipping.
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