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Filters

17 Items
Astronomik CLS Canon EOS XL Clip Filter

Astronomik CLS Canon EOS XL Full Frame Clip Filter - CLS-EOSXL

SKU: ASF-CLS-EOSXL
  • Filter Type: CLS/LPR
  • Filter Size: EOS Full Frame Clip
  • Filter Shape: EOS Clip
  • Filter Insert Style: Clip-In
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$179.95
Astronomik CLS-CCD Canon EOS XL Full Frame Clip Filter

Astronomik CLS CCD Canon EOS XL Full Frame Clip Filter - CLSCCD-EOSXL

SKU: ASF-CLSCCD-EOSXL
  • Filter Type: CLS/LPR
  • Filter Size: EOS Full Frame Clip
  • Filter Shape: EOS Clip
  • Filter Insert Style: Clip-In
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$199.95
Astronomik L-2 Luminance UV-IR Blocking Filter - EOS XL Full Frame Clip

Astronomik Luminance L-2 Canon EOS XL Full-Frame Clip Filter - L2-EOSXL

SKU: ASF-L2-EOSXL
  • Filter Type: UV/IR/Luminance
  • Filter Size: EOS Full Frame Clip
  • Filter Shape: EOS Clip
  • Filter Insert Style: Clip-In
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$109.95
Astronomik H-Alpha 12 nm EOS XL Full Frame Clip Filter

Astronomik H-Alpha 12 nm EOS XL Full Frame Clip Filter - HA12-EOSXL

SKU: ASF-HA12-EOSXL
  • Filter Type: H-Alpha
  • Filter Size: EOS Full Frame Clip
  • Filter Shape: EOS Clip
  • Filter Insert Style: Clip-In
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$319.95
Astronomik OWB EOS XL Full Frame Clip Filter - Type 3

Astronomik OWB Filter - Type 3 - EOS XL Full Frame Clip - OWBCCD-EOSXL

SKU: ASF-OWBCCD-EOSXL
  • Filter Type: OWB
  • Filter Size: EOS Full Frame Clip
  • Filter Shape: EOS Clip
  • Filter Insert Style: Clip-In
Free shipping Free shipping
$179.95
Astronomik SII 12 nm CCD Clip Filter - EOS XL Full Frame

Astronomik SII 12 nm CCD EOS XL Full Frame Clip Filter - SII-EOSXL

SKU: ASF-SII-EOSXL
  • Filter Type: SII
  • Filter Size: EOS Full Frame Clip
  • Filter Shape: EOS Clip
  • Filter Insert Style: Clip-In
Free shipping Free shipping
$319.95
Astronomik SII 6 nm CCD EOS XL Full Frame Clip Filter

Astronomik SII 6 nm CCD EOS XL Full Frame Clip Filter - SII6-EOSXL

SKU: ASF-SII6-EOSXL
  • Filter Type: SII
  • Filter Size: EOS Full Frame Clip
  • Filter Shape: EOS Clip
  • Filter Insert Style: Clip-In
Free shipping Free shipping
$489.95
Astronomik OIII 12 nm CCD EOS XL Full Frame Clip Filter

Astronomik OIII 12 nm CCD Filter - EOS XL Full Frame Clip - OIIICCD-EOSXL

SKU: ASF-OIIICCD-EOSXL
  • Filter Type: OIII
  • Filter Size: EOS Full Frame Clip
  • Filter Shape: EOS Clip
  • Filter Insert Style: Clip-In
Free shipping Free shipping
$319.95
Astronomik OIII 6 nm CCD EOS XL Full Frame Clip Filter

Astronomik OIII 6 nm CCD Filter - EOS XL Full Frame Clip - OIIICCD6-EOSXL

SKU: ASF-OIIICCD6-EOSXL
  • Filter Type: OIII
  • Filter Size: EOS Full Frame Clip
  • Filter Shape: EOS Clip
  • Filter Insert Style: Clip-In
Free shipping Free shipping
$489.95
Astronomik MC Clear Glass EOS XL Full Frame Clip Filter

Astronomik MC Clear Glass Filter - EOS XL Full Frame Clip - C-EOSXL

SKU: ASF-C-EOSXL
  • Filter Type: Clear
  • Filter Size: EOS Full Frame Clip
  • Filter Shape: EOS Clip
  • Filter Insert Style: Clip-In
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$79.95
Astronomik H-Alpha 6 nm CCD Filter - EOS XL Full Frame Clip

Astronomik H-Alpha 6 nm EOS XL Full Frame Clip Filter - HA6-EOSXL

SKU: ASF-HA6-EOSXL
  • Filter Type: H-Alpha
  • Filter Size: EOS Full Frame Clip
  • Filter Shape: EOS Clip
  • Filter Insert Style: Clip-In
Free shipping Free shipping
$489.95
Astronomik L-1 UV-IR Blocker - EOS XL Full Frame Clip Filter

Astronomik L-1 UV-IR Blocking EOS XL Full Frame Clip Filter - L1-EOSXL

SKU: ASF-L1-EOSXL
  • Filter Type: UV/IR/Luminance
  • Filter Size: EOS Full Frame Clip
  • Filter Shape: EOS Clip
  • Filter Insert Style: Clip-In
Free shipping Free shipping
$139.95
Astronomik L-3 Luminance UV-IR Blocking EOS XL Full Frame Clip Filter

Astronomik L-3 UV-IR Blocking EOS XL Full Frame Clip Filter - L3-EOSXL

SKU: ASF-L3-EOSXL
  • Filter Type: UV/IR/Luminance
  • Filter Size: EOS Full Frame Clip
  • Filter Shape: EOS Clip
  • Filter Insert Style: Clip-In
Free shipping Free shipping
$139.95
Astronomik ProPlanet 642 IR-Pass Filter - EOS XL Full Frame Clip

Astronomik ProPlanet 642 IR Pass EOS XL Full Frame Clip Filter - P642-EOSXL

SKU: ASF-P642-EOSXL
  • Filter Type: Pro Planet
  • Filter Size: EOS Full Frame Clip
  • Filter Shape: EOS Clip
  • Filter Insert Style: Clip-In
Free shipping Free shipping
$149.95
Astronomik ProPlanet 742 IR-Pass Filter - EOS XL Full Frame Clip

Astronomik ProPlanet 742 IR Pass EOS XL Full Frame Clip Filter - P742-EOSXL

SKU: ASF-P742-EOSXL
  • Filter Type: Pro Planet
  • Filter Size: EOS Full Frame Clip
  • Filter Shape: EOS Clip
  • Filter Insert Style: Clip-In
Free shipping Free shipping
$99.95
Astronomik ProPlanet 807 IR-Pass Filter - EOS XL Full Frame Clip Format

Astronomik ProPlanet 807 IR Pass EOS XL Full Frame Clip Filter - P807-EOSXL

SKU: ASF-P807-EOSXL
  • Filter Type: Pro Planet
  • Filter Size: EOS Full Frame Clip
  • Filter Shape: EOS Clip
  • Filter Insert Style: Clip-In
Free shipping Free shipping
$99.95
Astronomik UHC-E Filter - Canon EOS XL Full Frame Clip

Astronomik UHC-E Filter - EOS XL Full Frame Clip - UHCE-EOSXL

SKU: ASF-UHCE-EOSXL
  • Filter Type: UHC
  • Filter Size: EOS Full Frame Clip
  • Filter Shape: EOS Clip
  • Filter Insert Style: Clip-In
Free shipping Free shipping
$139.95

One of the most crucial accessories of astro-imaging is filters. 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.


Deep-space imaging in particular benefits from filters. Far away celestial objects, such as nebulae come to life in your photos with vivid colors. We recommend starting out with an h-alpha filter to filter out broadband light pollution while only allowing a very narrow bandwidth of light to pass through. These are a favorite filter among astrophotographers!


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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