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Nikon DSLR users rejoice! You can finally buy clip filters for your D5000 or D7000 series cameras, and get spectacular results with Optolong quality astrophotography filters! Besides a selection of Nikon and Canon clip filters, Optolong offers a wide variety of mounted and unmounted astrophotography filters including H-Alpha, H-Beta, OIII, SII, LRGB, UBVRI, IR Pass, UV-IR Cut, L-Pro, UHC, CLS, OWB, and more.


Optolong is not a newbie to the filter scene. They have been designing and manufacturing filters since 1998 and supplying those filters to over 700 optical companies around the world. All Optolong filters are made of high-quality anti-reflection coated Schott B260 glass that is fine optically polished to 1/4 wave and <30 parallelism over both surfaces. The manufacturing process is very stringent, making Optolong filters the perfect choice for astro-imagers at all levels of experience.


At High Point Scientific, we are proud to carry the full line of Optolong filters for your to choose from. Not sure where to start? Our experts are standing by to take your questions. Make the jump to Optolong astrophotography filters!

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  • Optolong Optolong Clear Focusing Filter - 1.25" Mounted - CFF-125
    $24.00
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  • Optolong Optolong Clear Sky Filter - 77mm Round Mounted - CS-77
    $207.00
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    free shipping
  • Optolong Optolong Clear Sky Filter - 82mm Round Mounted - CS-82
    $259.00
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    free shipping
  • Optolong 1.25
    Optolong Optolong 1.25" Filter Set with LRGB, H-Alpha, SII, and OIII Filters - LRGB-HASIIOIII-125
    $665.00
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  • Optolong Filter Set with LRGB, H-Alpha, SII, and OIII Filters
    Optolong Optolong 2" Filter Set with LRGB, H-Alpha, SII, and OIII Filters - LRGB-HASIIOIII-200
    $1,009.00
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  • Optolong Optolong 31mm Unmounted Filter Set with LRGB, H-Alpha, SII, and OIII Filters - LRGB-HASIIOIII-31U
    $705.00
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  • Optolong Optolong 36mm Unmounted Filter Set with LRGB, H-Alpha, SII, and OIII Filters - LRGB-HASIIOIII-36U
    $775.00
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  • Optolong LRGB and 7nm H-Alpha Filter Se
    Optolong Optolong 1.25" LRGB and 7nm H-Alpha Filter Set - LRGB-HA-125
    $399.00
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  • Optolong LRGB and 7nm H-Alpha Filter Set
    Optolong Optolong 2" LRGB and 7nm H-Alpha Filter Set - LRGB-HA-200
    $585.00
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  • Optolong Optolong 31mm Unmounted LRGB and 7nm H-Alpha Filter Set - LRGB-HA-31U
    $460.00
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  • Optolong Optolong 36mm Unmounted LRGB and 7nm H-Alpha Filter Set - LRGB-HA-36U
    $465.00
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  • Optolong Optolong 1.25" Filter Set with H-Alpha, SII, and OIII Filters - HASIIOIII-125
    $465.00
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  • Optolong Optolong 2" Filter Set with H-Alpha, SII, and OIII Filters - HASIIOIII-200
    $720.00
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  • Optolong Optolong 31mm Unmounted Filter Set with H-Alpha, SII, and OIII Filters - HASIIOIII-31U
    $540.00
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  • Optolong Optolong 36mm Unmounted Filter Set with H-Alpha, SII, and OIII Filters - HASIIOIII-36U
    $557.00
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  • Optolong Optolong L-eNhance Light Pollution Dual-Bandpass Imaging Filter - 1.25" - LNH-125
    $179.00
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  • Optolong Optolong L-eNhance Light Pollution Dual-Bandpass Imaging Filter - 2.00" - LNH-200
    $219.00
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  • Optolong Optolong LRGB CCD Filter Set - 1.25" Mounted - LRGB-125
    $249.00
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    free shipping
  • Optolong Optolong H-Alpha 7nm CCD Filter - 2" Mounted - HAL7-200
    $259.00
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    free shipping
  • Optolong Optolong LRGB Filter Set - 2" Mounted - LRGB-200
    $359.00
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    free shipping
  • Optolong Optolong H-Beta 25nm Filter - 2" Mounted - HBTA25-200
    $139.00
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    free shipping
  • Optolong Optolong Moon SkyGlow Filter - 1.25" Mounted - MSG-125
    $32.00
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    free shipping
  • Optolong Optolong IR Pass 685nm Filter - 2" Mounted - IRPS685-200
    $119.00
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    free shipping
  • Optolong Optolong Venus U Filter - 1.25" Mounted - VEU-125
    $195.00
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    free shipping
  • Optolong Optolong Clear Focusing Filter - 2" Mounted - CFF-200
    $31.00
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    free shipping
  • Optolong Optolong UV-IR Cut Filter - 1.25" Mounted - UVIR-125
    $44.00
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    free shipping
  • Optolong Optolong Variable Polarizer Filter - 2" Mounted - VPO-200
    $48.00
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    free shipping
  • Optolong Optolong Variable Polarizer Filter - 1.25" Mounted - VPO-125
    $39.00
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  • Optolong Optolong Neutral Density ND3 Filter - 2" Mounted - ND3-200
    $79.00
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    free shipping
  • Optolong Optolong Neutral Density ND3 Filter - 1.25" Mounted - ND3-125
    $49.00
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    free shipping
  • Optolong Optolong Venus U Filter - 2" Mounted - VEU-200
    $250.00
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    free shipping
  • Optolong Optolong UV-IR Cut Filter - 2" Mounted - UVIR-200
    $65.00
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    free shipping
  • Optolong UBVRI Filter Set
    Optolong Optolong UBVRI Filter Set - 2" Mounted - UBVRI-200
    $830.00
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    free shipping
  • Optolong Optolong SII CCD 6.5nm Filter - 2" Mounted - SIICCD65-200
    $250.00
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    free shipping
  • Optolong Optolong OIII CCD 6.5nm Filter - 1.25" Mounted - OIIICCD65-125
    $159.00
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    free shipping
  • Optolong Optolong CLS-CCD Filter - 2" Mounted - CLSCCD-200
    $159.00
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    free shipping
  • Optolong Optolong CLS Filter - 2" Mounted - CLS-200
    $85.00
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    free shipping
  • Optolong Optolong UHC Filter - 1.25" Mounted - UHC-125
    $55.00
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    free shipping
  • Optolong Optolong LRGB CCD Filter Set - 36mm Unmounted - LRGB-36U
    $299.00
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    free shipping
  • Optolong Optolong LRGB CCD Filter Set - 31mm Unmounted - LRGB-31U
    $291.00
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    free shipping
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  6. Narrowband Imaging
  7. UV/IR and/or Luminance
  8. Wideband Imaging
Filter Size
  1. 31 mm
  2. 31.75 mm (1.25")
  3. 36 mm
  4. 50.8 mm (2")
  5. 77 mm
  6. 82 mm
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