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Deep Sky Filters

12 Items
Baader Planetarium 1.25" Visual OIII Nebula Filter

Baader Visual OIII Nebula Filter - 1.25" - FOIII-1

SKU: BAD-FOIII-1
  • Filter Type: OIII
  • Filter Size: 31.75 mm (1.25")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
$109.00
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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$98.95 $79.95

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
Lumicon 1.25" OIII Filter

Lumicon Gen 3 OIII Oxygen III Filter - 1.25" - LF3040

SKU: LUM-LF3040
  • Filter Type: OIII
  • Filter Size: 31.75 mm (1.25")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
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$100.00

Thousand Oaks LP-3 Nebula Filter Oxygen III - 1.25" - LP-325

SKU: TOO-LP-325
  • Filter Type: OIII
  • Filter Size: 31.75 mm (1.25")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
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$89.00
Astronomik 1.25" Round Mounted OIII Visual Filter

Astronomik OIII Visual Filter - 1.25" Round Mounted - OIII-1

SKU: ASF-OIII-1
  • Filter Type: OIII
  • Filter Size: 31.75 mm (1.25")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
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$109.95
Astronomik OIII 12 nm CCD Filter - 1.25" Round Mounted

Astronomik OIII 12 nm CCD Filter - 1.25" Round Mounted - OIIICCD-1

SKU: ASF-OIIICCD-1
  • Filter Type: OIII
  • Filter Size: 31.75 mm (1.25")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
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$129.95
Explore Scientific 1.25" OIII Nebula Filter with Case

Explore Scientific 1.25" OIII Nebula Filter - 310205

SKU: EXS-310205
  • Filter Type: OIII
  • Filter Size: 31.75 mm (1.25")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
$99.99

Optolong OIII 25nm Filter - 1.25" Mounted - OIII-125

SKU: OTL-OIII-125
  • Filter Type: OIII
  • Filter Size: 31.75 mm (1.25")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
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$78.00
Astronomik 6 nm OIIICCD Filter - 1.25" Round Mounted

Astronomik OIII 6 nm CCD Filter - 1.25" Round Mounted - OIIICCD6-1

SKU: ASF-OIIICCD6-1
  • Filter Type: OIII
  • Filter Size: 31.75 mm (1.25")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
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$199.95
Zhumell 1.25" High Performance O-III Telescope Filter

Zhumell 1.25" High Performance O-III Telescope Filter - ZHUL062-1

SKU: ZHU-ZHUL062-1
  • Filter Type: OIII
  • Filter Size: 31.75 mm (1.25")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
$49.99

Tele Vue Bandmate OIII Filter - 1.25" - B2O-0125

SKU: TLV-B2O-0125
  • Filter Type: OIII
  • Filter Size: 31.75 mm (1.25")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
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$100.00