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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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  • Orion Orion Variable Polarizing Moon 1.25" Filter - 05560
    $29.99
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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.
  • Lumicon Lumicon 1.25" Comet Filter - LF3070
    $100.00
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    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.
  • iOptron Green Moon Filter
    iOptron iOptron Green Moon Filter - 1.25" - TFE100
    $14.00
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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.
  • Celestron 1.25
    Celestron Celestron 1.25" Moon Filter 18 % Light Transmission - 94119-A
    $14.95 $8.95
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    No free shipping.
  • High Point High Point 1.25" Neutral Density Filter 25% Transmission ND96-0.6 - ND61
    $9.95
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    No free shipping.
  • Lumicon Lumicon 2" Comet Filter - LF3075
    $200.00
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    free shipping
  • Lumicon Lumicon Comet Thread-on Filter for Schmidt-Cassegrain Rear Cell - LF3080
    $200.00
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    free shipping
  • Meade Meade 1.25" Series 4000 Variable Polarizing Filter - 07286
    $49.99 $42.95
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    No free shipping.
  • Orion Orion Variable Polarizing 2" Moon Filter - 05562
    $59.99
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    No free shipping.
  • Orion Orion 2" Neutral-Density Moon Filter - 13% Light Transmission - 05594
    $24.99
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    No free shipping.
  • Orion Orion Neutral Density Moon Filter 1.25" - 25% Light Transmission - 05598
    $22.99
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    No free shipping.
  • Orion Orion Neutral Density Moon Filter 1.25" - 13% Light Transmission - 05662
    $19.99
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    No free shipping.
  • Baader Planetarium Baader Planetarium 1.25" ND 0.6 Neutral Density Filter - FND0-1
    $49.00
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    No free shipping.
  • Meade Meade 1.25" Series 4000 ND96 Moon Filter - 07531
    $17.99 $15.95
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    No free shipping.
  • Optolong Optolong Neutral Density ND3 Filter - 1.25" Mounted - ND3-125
    $49.00
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    free shipping
  • Optolong Optolong Neutral Density ND3 Filter - 2" Mounted - ND3-200
    $79.00
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    free shipping
  • Optolong Optolong Variable Polarizer Filter - 1.25" Mounted - VPO-125
    $39.00
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    free shipping
  • Optolong Optolong Variable Polarizer Filter - 2" Mounted - VPO-200
    $48.00
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    free shipping
  • Explore Scientific 1.25
    Explore Scientific Explore Scientific 1.25" ND 0.9 Filter - 310245
    $39.99
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    No free shipping.
  • Explore Scientific 2
    Explore Scientific Explore Scientific 2" ND 0.9 Filter - 310240
    $44.99
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    No free shipping.
  • High Point High Point Neutral Density Filter 50% Transmission ND96-0.3 - 1.25" - ND96
    $9.95
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    No free shipping.
  • Stellarvue Moon Filter with 20% Transmission - 1.25
    Stellarvue Stellarvue 1.25" Moon Filter - 20% Transmission - XM
    $12.00
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    No free shipping.
  • Celestron 1.25
    Celestron Celestron 1.25" Neutral Density Moon Filter - 94105
    $14.95
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    No free shipping.
  • Celestron 1.25
    Celestron Celestron 1.25" Variable Polarizing Filter - 94107
    $29.95
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    No free shipping.
  • Apertura 1.25
    Apertura Apertura 1.25" Neutral Density Filter 13% Transmission - ND96-0.9 - A-ND91
    $9.95
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    No free shipping.
  • Celestron Celestron Moon Filter Set - 1.25" - 94315
    $39.95
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    No free shipping.
  • Baader Planetarium Single Polarizing Filter - 1.25
    Baader Planetarium Baader 1.25" Single Polarizing Filter - FPOL-1
    $54.00
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    No free shipping.
  • Baader Planetarium Single Polarizing Filter - 2
    Baader Planetarium Baader 2" Single Polarizing Filter - FPOL-2
    $83.00
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    No free shipping.
  • Baader Double Polarizing Filter - 1.25
    Baader Planetarium Baader 1.25" Double Polarizing Filter - FPOL-1D
    $97.00
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    No free shipping.
  • Baader Double Polarizing Filter - 2
    Baader Planetarium Baader 2" Double Polarizing Filter - FPOL-2D
    $137.00
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    No free shipping.
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