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Deep Sky Filters

21 Items
Baader Planetarium 2" Visual OIII Nebula Filter

Baader Visual OIII Nebula Filter - 2" - FOIII-2

SKU: BAD-FOIII-2
  • Filter Type: OIII
  • Filter Size: 50.8 mm (2")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
$189.00
Baader 2" UHC-S L Booster Filter

Baader UHC-S Nebula Filter - L Booster - 2" - FUHC-2

SKU: BAD-FUHC-2
  • Filter Type: UHC
  • Filter Size: 50.8 mm (2")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
$147.00
Astronomik ProPlanet 742 IR-Pass Filter - 2" Round Mounted

Astronomik ProPlanet IR - 742 Filter - 2" Round Mounted - P742-2

SKU: ASF-P742-2
  • Filter Type: Pro Planet
  • Filter Size: 50.8 mm (2")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
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$99.95
Astronomik 2" Round Mounted SII CCD Filter - 12 nm

Astronomik SII 12 nm CCD Filter - 2" - SII-2

SKU: ASF-SII-2
  • Filter Type: SII
  • Filter Size: 50.8 mm (2")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
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$289.95
Astronomik 2" Round Mounted H-Alpha 12 nm CCD Filter

Astronomik H-Alpha 12 nm CCD Filter - 2" Round Mounted - HA12-2

SKU: ASF-HA12-2
  • Filter Type: H-Alpha
  • Filter Size: 50.8 mm (2")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
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$289.95
Astronomik OIII 12 nm CCD Filter - 2" Round Mounted

Astronomik OIII 12 nm CCD Filter - 2" Round Mounted - OIIICCD-2

SKU: ASF-OIIICCD-2
  • Filter Type: OIII
  • Filter Size: 50.8 mm (2")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
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$289.95
Astronomik 2" Round Mounted OIII Visual Filter

Astronomik OIII Visual Filter - 2" Round Mounted - OIII-2

SKU: ASF-OIII-2
  • Filter Type: OIII
  • Filter Size: 50.8 mm (2")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
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$219.95

Optolong UHC Filter - 2" Mounted - UHC-200

SKU: OTL-UHC-200
  • Filter Type: UHC
  • Filter Size: 50.8 mm (2")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
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$85.00

Optolong 25nm OIII Filter - 2" Mounted - OIII-200

SKU: OTL-OIII-200
  • Filter Type: OIII
  • Filter Size: 50.8 mm (2")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
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$108.00
Explore Scientific 2" OIII Nebula Filter with Case

Explore Scientific 2" OIII Nebula Filter - 310200

SKU: EXS-310200
  • Filter Type: OIII
  • Filter Size: 50.8 mm (2")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
$129.99
Astronomik 2" Round Mounted SII 6 nm CCD Filter

Astronomik SII 6 nm CCD Filter - 2" - SII6-2

SKU: ASF-SII6-2
  • Filter Type: SII
  • Filter Size: 50.8 mm (2")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
Free shipping Free shipping
$469.95
Astronomik 2" Round Mounted OIII 6 nm CCD Filter

Astronomik OIII 6 nm CCD Filter - 2" Round Mounted - OIIICCD6-2

SKU: ASF-OIIICCD6-2
  • Filter Type: OIII
  • Filter Size: 50.8 mm (2")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
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$469.95
Astronomik Deep Sky RGB Color Filter Set - 2" Round Mounted

Astronomik Deep Sky RGB Color Filter Set - 2" Round Mounted - DRGB-2

SKU: ASF-DRGB-2
  • Filter Type: RGB
  • Filter Size: 50.8 mm (2")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
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$549.95
Astronomik 2" Round Mounted ProPlanet 642 IR-Pass Filter

Astronomik ProPlanet 642 IR Pass Filter - 2" Round Mounted - P642-2

SKU: ASF-P642-2
  • Filter Type: Pro Planet
  • Filter Size: 50.8 mm (2")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
Free shipping Free shipping
$139.95
Astronomik 2" Round Mounted ProPlanet 807 IR-Pass Filter

Astronomik ProPlanet 807 IR Pass Filter - 2" Round Mounted - P807-2

SKU: ASF-P807-2
  • Filter Type: Pro Planet
  • Filter Size: 50.8 mm (2")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
Free shipping Free shipping
$99.95
Astronomik UHC-E Filter - 2" Round Mounted

Astronomik UHC-E Filter - 2" Round Mounted - UHCE-2

SKU: ASF-UHCE-2
  • Filter Type: UHC
  • Filter Size: 50.8 mm (2")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
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$129.95
Optolong Filter Set with LRGB, H-Alpha, SII, and OIII Filters

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

SKU: OTL-LRGB-HASIIOIII-200
  • Filter Type: RGB & Narrowband Set
  • Filter Size: 50.8 mm (2")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
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$1,009.00
Optolong LRGB and 7nm H-Alpha Filter Set

Optolong 2" LRGB and 7nm H-Alpha Filter Set - LRGB-HA-200

SKU: OTL-LRGB-HA-200
  • Filter Type: RGB & Narrowband Set
  • Filter Size: 50.8 mm (2")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
Free shipping Free shipping
$585.00

Optolong 2" Filter Set with H-Alpha, SII, and OIII Filters - HASIIOIII-200

SKU: OTL-HASIIOIII-200
  • Filter Type: Narrowband Set
  • Filter Size: 50.8 mm (2")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
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$720.00
Tele Vue Bandmate OIII Filter - 2"

Tele Vue Bandmate OIII Filter - 2" - B2O-0200

SKU: TLV-B2O-0200
  • Filter Type: OIII
  • Filter Size: 50.8 mm (2")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
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$200.00
Atik Narrowband Filter Kit - 2" Mounted

Atik 2" Narrow Band Filter Set - ATK0175

SKU: ATK-ATK0175
  • Filter Type: Narrowband Set
  • Filter Size: 50.8 mm (2")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
Free shipping Free shipping
$725.00