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Deep Sky Filters

12 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

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
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$131.95 $109.95

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

Lumicon Gen 3 OIII Oxygen III Filter - 2" - LF3045

SKU: LUM-LF3045
  • Filter Type: OIII
  • Filter Size: 50.8 mm (2")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
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$200.00

Thousand Oaks LP-3 Oxygen III Nebula Filter - 2" - LP-348

SKU: TOO-LP-348
  • Filter Type: OIII
  • Filter Size: 50.8 mm (2")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
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$179.00
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
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

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
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
Zhumell 2" O-III Filter

Zhumell 2" High Performance O-III Telescope Filter - ZHUL067-1

SKU: ZHU-ZHUL067-1
  • Filter Type: OIII
  • Filter Size: 50.8 mm (2")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
$59.99
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