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Deep Sky Filters

Items 1 - 25 of 45
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
 

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
Free shipping Free shipping
$119.95 $99.95
 
Celestron 2" UHC Light Pollution Reduction Filter

Celestron Ultra High Contrast (UHC) Light Pollution Reduction 2" Filter - 94124

SKU: CEL-94124
  • Filter Type: CLS/LPR
  • Filter Size: 50.8 mm (2")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
$109.95 $92.95
 

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
 

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
 

Orion Ultrablock Narrowband Light Pollution Reduction Filter 2" - 05657

SKU: ORI-05657
  • Filter Type: CLS/LPR
  • Filter Size: 50.8 mm (2")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
$99.99
 

Orion SkyGlow Broadband Light Pollution Reduction Filter 2" - 05659

SKU: ORI-05659
  • Filter Type: CLS/LPR
  • Filter Size: 50.8 mm (2")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
$69.99
 

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
Free shipping Free shipping
$200.00
 

Lumicon 2" Ultra High Contrast (UHC) Filter - LF3030

SKU: LUM-LF3030
  • Filter Type: UHC
  • Filter Size: 50.8 mm (2")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
Free shipping Free shipping
$200.00
 

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
Free shipping Free shipping
$200.00
 

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
Free shipping Free shipping
$200.00
 

Lumicon 2" Comet Filter - LF3075

SKU: LUM-LF3075
  • Filter Type: Comet
  • Filter Size: 50.8 mm (2")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
Free shipping Free shipping
$200.00
 

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
Free shipping Free shipping
$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
Free shipping Free shipping
$179.00
 

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
Free shipping Free shipping
$179.00
 
Astronomik UHC Filter - 2" Round Mounted

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

SKU: ASF-UHC-2
  • Filter Type: UHC
  • Filter Size: 50.8 mm (2")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
Free shipping Free shipping
$219.95
 
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
Free shipping Free shipping
$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
Free shipping Free shipping
$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
Free shipping Free shipping
$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
Free shipping Free shipping
$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
Free shipping Free shipping
$219.95
 
Astronomik 2" CLS Light Pollution Filter

Astronomik CLS Light Pollution Filter 2" - CLS-2

SKU: ASF-CLS-2
  • Filter Type: CLS/LPR
  • Filter Size: 50.8 mm (2")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
Free shipping Free shipping
$159.95
 
Astronomik 2" CLS-CCD Light Pollution Filter

Astronomik CLS-CCD Light Pollution Filter - 2" - CLSCCD-2

SKU: ASF-CLSCCD-2
  • Filter Type: CLS/LPR
  • Filter Size: 50.8 mm (2")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
Free shipping Free shipping
$199.95
 
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 $109.99