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Deep Sky Filters

Items 1 - 25 of 313
Astronomik OIII 12 nm CCD Clip Filter for Canon EOS R/RP Full Frame Mirrorless Cameras

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

SKU: ASF-OIIICCD-EOS-R-XL
  • Filter Type: OIII
  • Filter Size: EOS R/RP
  • Filter Shape: EOS Clip
  • Filter Insert Style: Clip-In
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$329.95
Astronomik OIII 6 nm CCD Clip Filter for Canon EOS R/RP Full Frame Mirrorless Cameras

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

SKU: ASF-OIIICCD6-EOS-R-XL
  • Filter Type: OIII
  • Filter Size: EOS R/RP
  • Filter Shape: EOS Clip
  • Filter Insert Style: Clip-In
Free shipping Free shipping
$519.95
Astronomik H-Alpha 12 nm CCD Clip Filter for Canon EOS R/RP Full Frame Mirrorless Cameras

Astronomik H-Alpha 12 nm CCD Filter - Canon EOS R XL Full Frame Clip - HA12-EOS-R-XL

SKU: ASF-HA12-EOS-R-XL
  • Filter Type: H-Alpha
  • Filter Size: EOS R/RP
  • Filter Shape: EOS Clip
  • Filter Insert Style: Clip-In
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$329.95
Astronomik H-Alpha 6 nm CCD Clip Filter for Canon EOS R/RP Full Frame Mirrorless Cameras

Astronomik H-Alpha 6 nm CCD Filter - Canon EOS R XL Full Frame Clip - HA6-EOS-R-XL

SKU: ASF-HA6-EOS-R-XL
  • Filter Type: H-Alpha
  • Filter Size: EOS R/RP
  • Filter Shape: EOS Clip
  • Filter Insert Style: Clip-In
Free shipping Free shipping
$519.95
Astronomik SII 12 nm CCD Clip Filter for Canon EOS R/RP Full Frame Mirrorless Cameras

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

SKU: ASF-SII-EOS-R-XL
  • Filter Type: SII
  • Filter Size: EOS R/RP
  • Filter Shape: EOS Clip
  • Filter Insert Style: Clip-In
Free shipping Free shipping
$329.95
Astronomik SII 6 nm CCD Clip Filter for Canon EOS R/RP Full Frame Mirrorless Cameras

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

SKU: ASF-SII6-EOS-R-XL
  • Filter Type: SII
  • Filter Size: EOS R/RP
  • Filter Shape: EOS Clip
  • Filter Insert Style: Clip-In
Free shipping Free shipping
$519.95
Astronomik ProPlanet 642 IR-Pass EOS R XL Clip Filter for Canon EOS R/RP Full Frame Mirrorless Cameras

Astronomik ProPlanet 642 BP IR-Pass Filter - Canon EOS R XL Full Frame Clip - P642-EOS-R-XL

SKU: ASF-P642-EOS-R-XL
  • Filter Type: Pro Planet
  • Filter Size: EOS R/RP
  • Filter Shape: EOS Clip
  • Filter Insert Style: Clip-In
Free shipping Free shipping
$169.95
Astronomik ProPlanet 742 IR-Pass EOS R XL Clip Filter for Canon EOS R/RP Full Frame Mirrorless Cameras

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

SKU: ASF-P742-EOS-R-XL
  • Filter Type: Pro Planet
  • Filter Size: EOS R/RP
  • Filter Shape: EOS Clip
  • Filter Insert Style: Clip-In
Free shipping Free shipping
$125.95
Astronomik ProPlanet 807 IR-Pass EOS R XL Clip Filter for Canon EOS R/RP Full Frame Mirrorless Cameras

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

SKU: ASF-P807-EOS-R-XL
  • Filter Type: Pro Planet
  • Filter Size: EOS R/RP
  • Filter Shape: EOS Clip
  • Filter Insert Style: Clip-In
Free shipping Free shipping
$125.95

Optolong 2 Filter Set with LRGB H-Alpha SII and OIII Filters - LRGB-HASIIOIII-200 - Used

SKU: UEQ-12392-OTL-LRGB-HASIIOIII-200
  • Filter Type: RGB & Narrowband Set
  • Filter Size: 50.8 mm (2")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
Free shipping Free shipping
$1,009.00 $857.00
Astronomik CLS CCD Filter - Canon EOS R XL Clip

Astronomik CLS CCD Canon EOS-R XL Clip Filter - CLSCCD-EOS-R-XL

SKU: ASF-CLSCCD-EOS-R-XL
  • Filter Type: CLS/LPR
  • Filter Size: EOS R/RP
  • Filter Shape: EOS Clip
  • Filter Insert Style: Clip-In
Free shipping Free shipping
$239.95
Astronomik UHC Filter in Canon EOS-R XL Clip Format

Astronomik UHC Canon EOS R XL Clip Filter - UHC-EOS-R-XL

SKU: ASF-UHC-EOS-R-XL
  • Filter Type: UHC
  • Filter Size: EOS R/RP
  • Filter Shape: EOS Clip
  • Filter Insert Style: Clip-In
Free shipping Free shipping
$239.95

Astronomik UHC-E Canon EOS R XL Clip Filter - UHCE-EOS-R-XL

SKU: ASF-UHCE-EOS-R-XL
  • Filter Type: UHC
  • Filter Size: EOS R/RP
  • Filter Shape: EOS Clip
  • Filter Insert Style: Clip-In
Free shipping Free shipping
$159.95

Astronomik UHC-E Filter - 31 mm Round - UHCE-31 - Used

SKU: UEQ-12671-ASF-UHCE-31
  • Filter Type: UHC
  • Filter Size: 31 mm
  • Filter Shape: Round
  • Filter Insert Style: Drop-In
$75.95 $60.00

Celestron Oxygen III OIII Narrowband 2 Filter - 93624 - Used

SKU: UEQ-12596-CEL-93624
  • Filter Type: OIII
  • Filter Size: 50.8 mm (2")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
$119.95 $72.00
Celestron OIII Narrowband Filter - 1.25"

Celestron Oxygen III (OIII) Narrowband 1.25" Filter - 93623

SKU: CEL-93623
  • Filter Type: OIII
  • Filter Size: 31.75 mm (1.25")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
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$89.95 $75.95

Celestron Oxygen III (OIII) Narrowband 2" Filter - 93624

SKU: CEL-93624
  • Filter Type: OIII
  • Filter Size: 50.8 mm (2")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
Free shipping Free shipping
$119.95 $99.95

Celestron 1.25" Ultra High Contrast (UHC) Light Pollution Reduction Filter - 94123

SKU: CEL-94123
  • Filter Type: CLS/LPR
  • Filter Size: 31.75 mm (1.25")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
$79.95 $69.95
Celestron 2" UHC Light Pollution Reduction Filter

Celestron Ultra High Contrast (UHC) Light Pollution Reduction 2" Filter - 94124

SKU: CEL-94124
  • Filter Type: CLS/LPR
  • Filter Size: 50.8 mm (2")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
$109.95 $92.95

Orion Oxygen III Nebula 1.25" Filter - 05581

SKU: ORI-05581
  • Filter Type: OIII
  • Filter Size: 31.75 mm (1.25")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
$99.99

Orion Oxygen III Nebula 2" Filter - 05582

SKU: ORI-05582
  • Filter Type: OIII
  • Filter Size: 50.8 mm (2")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
$129.99

Orion Hydrogen-Beta Nebula 1.25" Filter - 05583

SKU: ORI-05583
  • Filter Type: H-Beta
  • Filter Size: 31.75 mm (1.25")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
$99.99

Orion Hydrogen-Beta Nebula 2" Filter - 05584

SKU: ORI-05584
  • Filter Type: H-Beta
  • Filter Size: 50.8 mm (2")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
$129.99

Orion Ultrablock Narrowband Light Pollution Reduction Filter 1.25" - 05654

SKU: ORI-05654
  • Filter Type: CLS/LPR
  • Filter Size: 31.75 mm (1.25")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
$79.99

Orion Ultrablock Narrowband Light Pollution Reduction Filter 2" - 05657

SKU: ORI-05657
  • Filter Type: CLS/LPR
  • Filter Size: 50.8 mm (2")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
$99.99