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Telescope Accessories & Parts

24 Items

Optolong UHC Filter - 1.25" Mounted - UHC-125

SKU: OTL-UHC-125
  • Filter Type: UHC
  • Filter Size: 31.75 mm (1.25")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
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$55.00

Optolong CLS Filter - 1.25" Mounted - CLS-125

SKU: OTL-CLS-125
  • Filter Type: CLS/LPR
  • Filter Size: 31.75 mm (1.25")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
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$55.00

Optolong L-Pro Filter - 1.25" Mounted - LPRO-125

SKU: OTL-LPRO-125
  • Filter Type: UV/IR/Luminance
  • Filter Size: 31.75 mm (1.25")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
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$149.00

Optolong CLS-CCD Filter -1.25" Mounted - CLSCCD-125

SKU: OTL-CLSCCD-125
  • Filter Type: CLS/LPR
  • Filter Size: 31.75 mm (1.25")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
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$96.00

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

Optolong OIII CCD 6.5nm Filter - 1.25" Mounted - OIIICCD65-125

SKU: OTL-OIIICCD65-125
  • Filter Type: OIII
  • Filter Size: 31.75 mm (1.25")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
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$159.00

Optolong SII CCD 12nm Filter - 1.25" Mounted - SIICCD12-125

SKU: OTL-SIICCD12-125
  • Filter Type: SII
  • Filter Size: 31.75 mm (1.25")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
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$129.00 $103.20

Optolong SII CCD 6.5nm Filter - 1.25" Mounted - SIICCD65-125

SKU: OTL-SIICCD65-125
  • Filter Type: SII
  • Filter Size: 31.75 mm (1.25")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
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$159.00

Optolong H-Alpha 7nm CCD Filter - 1.25" Mounted - HAL7-125

SKU: OTL-HAL7-125
  • Filter Type: H-Alpha
  • Filter Size: 31.75 mm (1.25")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
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$175.00

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 UBVRI Filter Set

Optolong UBVRI Filter Set - 1.25" Mounted - UBVRI-125

SKU: OTL-UBVRI-125
  • Filter Type: Photometric (UBVIR, Johnson-Cousins)
  • Filter Size: 31.75 mm (1.25")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
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$685.00 $548.00

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 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 UV-IR Cut Filter - 1.25" Mounted - UVIR-125

SKU: OTL-UVIR-125
  • Filter Type: UV/IR/Luminance
  • Filter Size: 31.75 mm (1.25")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
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$44.00

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 Night Sky H-Alpha Filter - 1.25" Mounted - NSHA-125

SKU: OTL-NSHA-125
  • Filter Type: H-Alpha
  • Filter Size: 31.75 mm (1.25")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
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$79.00

Optolong IR Pass 685nm Filter - 1.25" Mounted - IRPS685-125

SKU: OTL-IRPS685-125
  • Filter Type: UV/IR/Luminance
  • Filter Size: 31.75 mm (1.25")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
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$79.00

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 Neutral Density ND3 Filter - 1.25" Mounted - ND3-125

SKU: OTL-ND3-125
  • Filter Type: Neutral Density/Moon
  • Filter Size: 31.75 mm (1.25")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
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$49.00

Optolong Variable Polarizer Filter - 1.25" Mounted - VPO-125

SKU: OTL-VPO-125
  • Filter Type: Polarizing
  • Filter Size: 31.75 mm (1.25")
  • Filter Shape: Round
  • Filter Insert Style: Threaded
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$39.00
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 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 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 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