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Deep Sky Filters

15 Items

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
Astronomik 31 mm CLS Light Pollution Filter

Astronomik CLS Light Pollution Filter - 31 mm Round - CLS-31

SKU: ASF-CLS-31
  • Filter Type: CLS/LPR
  • Filter Size: 31 mm
  • Filter Shape: Round
  • Filter Insert Style: Drop-In
Free shipping Free shipping
$95.95

Astronomik CLS-CCD Light Pollution Filter - 31 mm Round - CLSCCD-31

SKU: ASF-CLSCCD-31
  • Filter Type: CLS/LPR
  • Filter Size: 31 mm
  • Filter Shape: Round
  • Filter Insert Style: Drop-In
Free shipping Free shipping
$109.95
Astronomik 31 mm Round H-Alpha 12 nm CCD Filter

Astronomik H-Alpha 12 nm CCD Filter - 31 mm Round - HA12-31

SKU: ASF-HA12-31
  • Filter Type: H-Alpha
  • Filter Size: 31 mm
  • Filter Shape: Round
  • Filter Insert Style: Drop-In
Free shipping Free shipping
$169.95
Astronomik 31 mm Round UHC Filter

Astronomik UHC Filter - 31 mm Round - UHC-31

SKU: ASF-UHC-31
  • Filter Type: UHC
  • Filter Size: 31 mm
  • Filter Shape: Round
  • Filter Insert Style: Drop-In
Free shipping Free shipping
$109.95
Astronomik OIII 12 nm CCD Filter - 31 mm Round

Astronomik OIII 12 nm CCD Filter - 31 mm Round - OIIICCD-31

SKU: ASF-OIIICCD-31
  • Filter Type: OIII
  • Filter Size: 31 mm
  • Filter Shape: Round
  • Filter Insert Style: Drop-In
Free shipping Free shipping
$169.95
Astronomik OIII 6 nm CCD Filter - 31 mm Round

Astronomik OIII 6 nm CCD Filter - 31 mm Round - OIIICCD6-31

SKU: ASF-OIIICCD6-31
  • Filter Type: OIII
  • Filter Size: 31 mm
  • Filter Shape: Round
  • Filter Insert Style: Drop-In
Free shipping Free shipping
$249.95
Astronomik 31 mm Round SII 6 nm CCD Filter

Astronomik SII 6 nm CCD Filter - 31 mm - SII6-31

SKU: ASF-SII6-31
  • Filter Type: SII
  • Filter Size: 31 mm
  • Filter Shape: Round
  • Filter Insert Style: Drop-In
Free shipping Free shipping
$249.95
Astronomik 31 mm Round SII 12 nm CCD Filter

Astronomik SII 12 nm CCD Filter - 31 mm - SII-31

SKU: ASF-SII-31
  • Filter Type: SII
  • Filter Size: 31 mm
  • Filter Shape: Round
  • Filter Insert Style: Drop-In
Free shipping Free shipping
$169.95
Astronomik 31 mm Round ProPlanet 642 IR-Pass Filter

Astronomik ProPlanet 642 IR Pass Filter - 31 mm Round - P642-31

SKU: ASF-P642-31
  • Filter Type: Pro Planet
  • Filter Size: 31 mm
  • Filter Shape: Round
  • Filter Insert Style: Drop-In
Free shipping Free shipping
$79.95
Astronomik ProPlanet 742 IR-Pass 31 mm Round Filter

Astronomik ProPlanet 742 IR Pass Filter - 31 mm Round - P742-31

SKU: ASF-P742-31
  • Filter Type: Pro Planet
  • Filter Size: 31 mm
  • Filter Shape: Round
  • Filter Insert Style: Drop-In
Free shipping Free shipping
$59.95
Astronomik ProPlanet 807 IR-Pass Filter - 31 mm Round

Astronomik ProPlanet 807 IR Pass Filter - 31 mm Round - P807-31

SKU: ASF-P807-31
  • Filter Type: Pro Planet
  • Filter Size: 31 mm
  • Filter Shape: Round
  • Filter Insert Style: Drop-In
Free shipping Free shipping
$55.95
Astronomik 31 mm Round UHC-E Filter

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

SKU: ASF-UHCE-31
  • Filter Type: UHC
  • Filter Size: 31 mm
  • Filter Shape: Round
  • Filter Insert Style: Drop-In
Available Used from $60.00
Free shipping Free shipping
$75.95

Baader Planetarium f/2 Highspeed Narrowband H-Alpha CCD Filter - 31mm Unmounted - FHALHS-RD31

SKU: BAD-FHALHS-RD31
  • Filter Type: H-Alpha
  • Filter Size: 31 mm
  • Filter Shape: Round
  • Filter Insert Style: Drop-In
$209.00
Astrodon ExoPlanet Light Curve Filter with Blue Blocking

Astrodon Exo-Planet Clear Filter with Blue Blocking - 31 mm Unmounted Insert - XOPBB-31R

SKU: ASD-XOPBB-31R
  • Filter Type: Clear
  • Filter Size: 31 mm
  • Filter Shape: Round
  • Filter Insert Style: Drop-In
Free shipping Free shipping
$195.00