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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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  • Baader Planetarium Baader UV IR-Cut L Filter - 2" Mounted - FUVIR-2
    $132.00
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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 1.25
    Baader Planetarium Baader UV - IR Cut L Filter - 1.25" Mounted - FUVIR-1
    $73.00
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    No free shipping.
  • 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 $124.80
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    No free shipping.
  • Lumicon 1.25
    Lumicon Lumicon 1.25" UV/Infrared Filter - LF3140
    $190.00
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    free shipping
  • Lumicon Lumicon 2" UV/Infrared Filter - LF3145
    $255.00 $204.00
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    free shipping
  • Orion Orion 1.25" IR-Cut Filter - 5564
    $39.99
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    No free shipping.
  • Baader Planetarium Baader Planetarium 1.25" U-Filter - FUV-1
    $296.00 $236.80
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    free shipping
  • Celestron IR Cut Filter for Skyris Color Cameras
    Celestron Celestron IR Cut Filter for Color Skyris Cameras - C Mount - 95516
    $36.95 $29.95
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  • UV/IR Blocking Filter Installed in T-Ring on Camera - Camera not Included
    Baader Planetarium Baader EOS Protective Wide T-Ring with UV/IR Blocking Filter - DSLRT-UVIR
    $217.00
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    free shipping
  • ZWO IR Cut Filter - 1.25
    ZWO Astronomy Cameras ZWO 1.25" IR Cut-Off Filter - IRCUT1
    $22.00
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    No free shipping.
  • Baader 50 mm Square Unmounted UV-IR Cut/L Filter
    Baader Planetarium Baader UV-IR-Cut L Filter - 65 mm Square Unmounted - FUVIR-SQ65
    $267.00
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    free shipping
  • Baader Giant UV-IR Cut Filter for Pro Movie Cameras (1.25
    Baader Planetarium Baader UV-IR-Cut L Filter - 101 mm x 143 mm Square Unmounted - FUVIR-SQ100
    $499.00
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    free shipping
  • ZWO Astronomy Cameras ZWO 850nm IR Pass Filter - 1.25" - IR850NM1
    $22.00
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    No free shipping.
  • Optolong Optolong L-Pro Filter - 2" Mounted - LPRO-200
    $199.00
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    free shipping
  • Optolong Optolong UV-IR Cut Filter - 1.25" Mounted - UVIR-125
    $44.00
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    free shipping
  • Optolong Optolong UV-IR Cut Filter - 2" Mounted - UVIR-200
    $65.00
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    free shipping
  • Optolong Optolong IR Pass 685nm Filter - 1.25" Mounted - IRPS685-125
    $79.00
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    free shipping
  • Optolong Optolong IR Pass 685nm Filter - 2" Mounted - IRPS685-200
    $119.00 $95.20
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    free shipping
  • Optolong UVIR Cut Unmounted Filter
    Optolong Optolong UV-IR Cut Filter - 31mm Unmounted - UVIR-31U
    $55.00 $44.00
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    free shipping
  • Optolong UVIR Cut Unmounted Filter
    Optolong Optolong UV-IR Cut Filter - 36mm Unmounted - UVIR-36U
    $56.00
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    free shipping
  • High Point High Point IR Blocking Filter - 1.25" - IRBF1
    $13.95
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    No free shipping.
  • High Point High Point IR Blocking Filter - 2" - IRBF2
    $24.95
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    No free shipping.
  • Daystar 2
    DayStar Filters Daystar 2" UV/IR Filter - DSIUV2
    $125.00
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    No free shipping.
  • ZWO 2
    ZWO Astronomy Cameras ZWO 2" IR-Cut Filter - IRCUT2
    $49.00
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    No free shipping.
  • Astronomik Luminance Filter Type 2C - 50 mm Round Mounted
    Astronomik Filters Astronomik Luminance Filter Type 2C - 50 mm Round Mounted - L-50R
    $99.95 $84.95
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    free shipping
  • Baader Planetarium 31 mm Round Unmounted UV-IR Cut Luminance Filter
    Baader Planetarium Baader 31 mm UV-IR Cut L-Filter - FUVIR-RD31
    $60.00
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    No free shipping.
  • Baader Planetarium 36 mm Round Unmounted UV-IR Cut Luminance Filter
    Baader Planetarium Baader 36 mm UV-IR Cut L-Filter - FUVIR-RD36
    $96.00
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    No free shipping.
  • Baader 50 x 50 mm Square Unmounted UV-IR Cut Luminance Filter
    Baader Planetarium Baader Planetarium 50 mm Square UV-IR Cut L-Filter - FUVIR-SQ50
    $219.00
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    free shipping
  • Optolong Optolong L-Pro Filter - 1.25" Mounted - LPRO-125
    $149.00
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    free shipping
  • Astronomik L-2 Luminance UV-IR Blocking Filter - EOS XL Full Frame Clip
    Astronomik Filters Astronomik Luminance L-2 Canon EOS XL Full-Frame Clip Filter - L2-EOSXL
    $109.95
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    free shipping
  • Astronomik 1.25
    Astronomik Filters Astronomik IR Blocking Filter - 1.25" - IR-1
    $45.95
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    free shipping
  • Astronomik T-Thread IR-Blocking Filter
    Astronomik Filters Astronomik IR Blocking Filter - T-Mount - IR-T
    $65.95
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    free shipping
  • Astronomik IR Blocking Filter - SC Rear Cell
    Astronomik Filters Astronomik IR Blocking Filter - SC Rear Cell - IR-SCT
    $89.95
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    free shipping
  • Astronomik UV-IR L2 Luminance Filter - 2
    Astronomik Filters Astronomik L-2 UV-IR Blocking Filter - 2" Round Mounted - L2-2
    $109.95
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    free shipping
  • Astronomik UV-IR L3 Luminance Filter - T-Mount
    Astronomik Filters Astronomik L-3 Luminance UV-IR Block Filter - T-Mount - L3-T
    $129.95
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    free shipping
  • Astronomik 2
    Astronomik Filters Astronomik IR Blocking Filter - 2" Round Mounted - IR-2
    $79.95
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    free shipping
  • Astronomik L-1 UV-IR Blocker - 1.25
    Astronomik Filters Astronomik L-1 UV-IR Blocking Filter - 1.25" Round Mounted - L1-1
    $69.95
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    free shipping
  • Astronomik L-1 UV-IR Blocking Filter - 2
    Astronomik Filters Astronomik L-1 UV-IR Blocking Filter - 2" Round Mounted - L1-2
    $129.95
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    free shipping
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