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Deep Sky Filters

Items 1 - 25 of 32
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
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$119.95 $99.95
 

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 $79.99
 

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
 

Lumicon Deep Sky 1.25" Filter - LF3010

SKU: LUM-LF3010
  • Filter Type: Nebula/Broadband
  • Filter Size: 31.75 mm (1.25")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
$100.00
 

Lumicon 2" Deep Sky Filter - LF3015

SKU: LUM-LF3015
  • Filter Type: Nebula/Broadband
  • Filter Size: 50.8 mm (2")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
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$200.00
 

Lumicon Deep Sky Thread on Filter for Schmidt-Cassegrain Rear Cell - LF3020

SKU: LUM-LF3020
  • Filter Type: Nebula/Broadband
  • Filter Size: SCT Rear Cell
  • Filter Shape: Round
  • Filter Insert Style: Threaded
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$200.00
 
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
 

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
 

Lumicon Oxygen III (OIII) Thread-on Filter for Schmidt-Cassegrain Rear Cell - LF3050

SKU: LUM-LF3050
  • Filter Type: OIII
  • Filter Size: SCT Rear Cell
  • Filter Shape: Round
  • Filter Insert Style: Threaded
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$200.00
 

Lumicon 1.25" Hydrogen Beta (H-Beta) Filter - LF3055

SKU: LUM-LF3055
  • Filter Type: H-Beta
  • Filter Size: 31.75 mm (1.25")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
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$100.00
 

Lumicon 2" Hydrogen Beta (H-Beta) Filter - LF3060

SKU: LUM-LF3060
  • Filter Type: H-Beta
  • Filter Size: 50.8 mm (2")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
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$200.00
 

Lumicon Hydrogen Beta (H-Beta) Thread-on Filter for Schmidt-Cassegrain Rear Cell - LF3065

SKU: LUM-LF3065
  • Filter Type: H-Beta
  • Filter Size: SCT Rear Cell
  • Filter Shape: Round
  • Filter Insert Style: Threaded
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$200.00
 

Thousand Oaks LP-1 Broadband Nebula Filter - 1.25" - LP-125

SKU: TOO-LP-125
  • Filter Type: Nebula/Broadband
  • Filter Size: 31.75 mm (1.25")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
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$89.00
 

Thousand Oaks LP-1 Broadband Nebula Filter - 2" - LP-148

SKU: TOO-LP-148
  • Filter Type: Nebula/Broadband
  • Filter Size: 50.8 mm (2")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
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$179.00
 

Thousand Oaks LP-2 Nebula Filter Narrowband - 2" - LP-248

SKU: TOO-LP-248
  • Filter Type: Nebula/Broadband
  • Filter Size: 50.8 mm (2")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
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$179.00
 

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
 

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
 

Thousand Oaks LP-4 H-Beta Nebula Filter - 1.25" - LP-425

SKU: TOO-LP-425
  • Filter Type: H-Beta
  • Filter Size: 31.75 mm (1.25")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
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$89.00
 
Explore Scientific 2" H-Beta Nebula Filter with Case

Explore Scientific 2" H-Beta Nebula Filter - 310230

SKU: EXS-310230
  • Filter Type: H-Beta
  • Filter Size: 50.8 mm (2")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
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$169.99
 
Explore Scientific 1.25" H-Beta Nebula Filter with Case

Explore Scientific 1.25" H-Beta Nebula Filter - 310235

SKU: EXS-310235
  • Filter Type: H-Beta
  • Filter Size: 31.75 mm (1.25")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
$119.99
 

Optolong H-Beta 25nm Filter - 1.25" Mounted - HBTA25-125

SKU: OTL-HBTA25-125
  • Filter Type: H-Beta
  • Filter Size: 31.75 mm (1.25")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
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$90.00
 

Optolong H-Beta 25nm Filter - 2" Mounted - HBTA25-200

SKU: OTL-HBTA25-200
  • Filter Type: H-Beta
  • Filter Size: 50.8 mm (2")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
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$139.00