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Optolong

Items 1 - 25 of 68

Optolong Clear Focusing Filter - 1.25" Mounted - CFF-125

SKU: OTL-CFF-125
  • Filter Type: Clear
  • Filter Size: 31.75 mm (1.25")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
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$24.00
 

Optolong Clear Sky Filter - 77mm Round Mounted - CS-77

SKU: OTL-CS-77
  • Filter Type: Clear
  • Filter Size: 77 mm
  • Filter Shape: Round
  • Filter Insert Style: Threaded
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$207.00
 

Optolong Clear Sky Filter - 82mm Round Mounted - CS-82

SKU: OTL-CS-82
  • Filter Type: Clear
  • Filter Size: 82 mm
  • Filter Shape: Round
  • Filter Insert Style: Threaded
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$259.00
 
Optolong 1.25" Filter Set with LRGB, H-Alpha, SII, and OIII Filters

Optolong 1.25" Filter Set with LRGB, H-Alpha, SII, and OIII Filters - LRGB-HASIIOIII-125

SKU: OTL-LRGB-HASIIOIII-125
  • Filter Type: RGB & Narrowband Set
  • Filter Size: 31.75 mm (1.25")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
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$665.00
 
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 31mm Unmounted Filter Set with LRGB, H-Alpha, SII, and OIII Filters - LRGB-HASIIOIII-31U

SKU: OTL-LRGB-HASIIOIII-31U
  • Filter Type: RGB & Narrowband Set
  • Filter Size: 31 mm
  • Filter Shape: Round
  • Filter Insert Style: Drop-In
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$705.00
 

Optolong 36mm Unmounted Filter Set with LRGB, H-Alpha, SII, and OIII Filters - LRGB-HASIIOIII-36U

SKU: OTL-LRGB-HASIIOIII-36U
  • Filter Type: RGB & Narrowband Set
  • Filter Size: 36 mm
  • Filter Shape: Round
  • Filter Insert Style: Drop-In
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$775.00
 
Optolong LRGB and 7nm H-Alpha Filter Se

Optolong 1.25" LRGB and 7nm H-Alpha Filter Set - LRGB-HA-125

SKU: OTL-LRGB-HA-125
  • Filter Type: RGB & Narrowband Set
  • Filter Size: 31.75 mm (1.25")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
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$399.00
 
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
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$585.00
 

Optolong 31mm Unmounted LRGB and 7nm H-Alpha Filter Set - LRGB-HA-31U

SKU: OTL-LRGB-HA-31U
  • Filter Type: RGB & Narrowband Set
  • Filter Size: 31 mm
  • Filter Shape: Round
  • Filter Insert Style: Drop-In
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$460.00
 

Optolong 36mm Unmounted LRGB and 7nm H-Alpha Filter Set - LRGB-HA-36U

SKU: OTL-LRGB-HA-36U
  • Filter Type: RGB & Narrowband Set
  • Filter Size: 36 mm
  • Filter Shape: Round
  • Filter Insert Style: Drop-In
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$465.00
 

Optolong 1.25" Filter Set with H-Alpha, SII, and OIII Filters - HASIIOIII-125

SKU: OTL-HASIIOIII-125
  • Filter Type: Narrowband Set
  • Filter Size: 31.75 mm (1.25")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
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$465.00
 

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
 

Optolong 31mm Unmounted Filter Set with H-Alpha, SII, and OIII Filters - HASIIOIII-31U

SKU: OTL-HASIIOIII-31U
  • Filter Type: Narrowband Set
  • Filter Size: 31 mm
  • Filter Shape: Round
  • Filter Insert Style: Drop-In
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$540.00
 

Optolong 36mm Unmounted Filter Set with H-Alpha, SII, and OIII Filters - HASIIOIII-36U

SKU: OTL-HASIIOIII-36U
  • Filter Type: Narrowband Set
  • Filter Size: 36 mm
  • Filter Shape: Round
  • Filter Insert Style: Drop-In
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$557.00
 

Optolong L-eNhance Light Pollution Dual Band Pass Imaging Filter - 1.25" - LNH-125

SKU: OTL-LNH-125
  • Filter Type: CLS/LPR
  • Filter Size: 31.75 mm (1.25")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
$179.00
 

Optolong L-eNhance Light Pollution Dual-Bandpass Imaging Filter - 2.00" - LNH-200

SKU: OTL-LNH-200
  • Filter Type: CLS/LPR
  • Filter Size: 50.8 mm (2")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
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$229.00
 

Optolong LRGB CCD Filter Set - 1.25" Mounted - LRGB-125

SKU: OTL-LRGB-125
  • Filter Type: RGB
  • Filter Size: 31.75 mm (1.25")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
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$249.00
 

Optolong H-Alpha 7nm CCD Filter - 2" Mounted - HAL7-200

SKU: OTL-HAL7-200
  • Filter Type: H-Alpha
  • Filter Size: 50.8 mm (2")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
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$259.00
 

Optolong LRGB Filter Set - 2" Mounted - LRGB-200

SKU: OTL-LRGB-200
  • Filter Type: RGB
  • Filter Size: 50.8 mm (2")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
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$359.00
 

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
 

Optolong Moon SkyGlow Filter - 1.25" Mounted - MSG-125

SKU: OTL-MSG-125
  • Filter Type: SkyGlow
  • Filter Size: 31.75 mm (1.25")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
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$32.00
 

Optolong IR Pass 685nm Filter - 2" Mounted - IRPS685-200

SKU: OTL-IRPS685-200
  • Filter Type: UV/IR/Luminance
  • Filter Size: 50.8 mm (2")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
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$119.00 $95.20
 

Optolong Venus U Filter - 1.25" Mounted - VEU-125

SKU: OTL-VEU-125
  • Filter Type: Fringe-Killer/Minus Violet
  • Filter Size: 31.75 mm (1.25")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
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$195.00
 

Optolong Clear Focusing Filter - 2" Mounted - CFF-200

SKU: OTL-CFF-200
  • Filter Type: Clear
  • Filter Size: 50.8 mm (2")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
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$31.00