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Holiday Schedule: The showroom will be closed from Dec 22nd to Jan 2nd. Support will not be available in that period. Happy Holidays!
Holiday Schedule: The showroom will be closed from Dec 22nd to Jan 2nd. Support will not be available in that period. Happy Holidays!

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William Optics

William Optics

  • Original price $87.00 USD - Original price $87.00 USD
    Original price
    $87.00 USD
    $87.00 USD - $87.00 USD
    Current price $87.00 USD

    William Optics 1.25" RotoLock Visual Back Adapter - SCT

    WO-F-ROTO-A2-125-SCT-TA

    1.25" RotoLock visual back adapter designed for SCT threads Ensures a secure and precise connection for 1.25" acces...

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    Original price $87.00 USD - Original price $87.00 USD
    Original price
    $87.00 USD
    $87.00 USD - $87.00 USD
    Current price $87.00 USD
  • Original price $56.00 USD - Original price $56.00 USD
    Original price
    $56.00 USD
    $56.00 USD - $56.00 USD
    Current price $56.00 USD

    William Optics 105 -148mm Bahtinov Focusing Mask

    WO-BM-DS-GR55

    Designed for telescopes with apertures between 105mm and 148mm Precise focusing aid for astrophotography and visual observation Descri...

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    Original price $56.00 USD - Original price $56.00 USD
    Original price
    $56.00 USD
    $56.00 USD - $56.00 USD
    Current price $56.00 USD
  • Original price $44.00 USD - Original price $44.00 USD
    Original price
    $44.00 USD
    $44.00 USD - $44.00 USD
    Current price $44.00 USD

    William Optics 120mm Saddle Handle Bar

    WO-M-HC120BL
    1 in stock

    Seamlessly integrate with your existing astrophotography gear. Eliminates the need for constant adjustments. Description In the box ...

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    Original price $44.00 USD - Original price $44.00 USD
    Original price
    $44.00 USD
    $44.00 USD - $44.00 USD
    Current price $44.00 USD
  • Original price $102.00 USD - Original price $102.00 USD
    Original price
    $102.00 USD
    $102.00 USD - $102.00 USD
    Current price $102.00 USD

    William Optics 120mm Saddle Handle Bar with 50mm Guiding Rings

    WO-M-HC120BL-GR50SL

    Provide a stable platform for attaching guiding scopes and other accessories User-friendly and can be set up quickly Makes it easy to carry and...

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    Original price $102.00 USD - Original price $102.00 USD
    Original price
    $102.00 USD
    $102.00 USD - $102.00 USD
    Current price $102.00 USD
  • Original price $97.00 USD - Original price $97.00 USD
    Original price
    $97.00 USD
    $97.00 USD - $97.00 USD
    Current price $97.00 USD

    William Optics 120mm Saddle Handle Bar with 50mm Guiding Rings - No Adjustments Screws

    WO-M-HC120BL-GR50IISL

    Seamlessly integrate with your existing astrophotography gear. Eliminates the need for constant adjustments. Description In the box ...

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    Original price $97.00 USD - Original price $97.00 USD
    Original price
    $97.00 USD
    $97.00 USD - $97.00 USD
    Current price $97.00 USD
  • Original price $79.00 USD - Original price $79.00 USD
    Original price
    $79.00 USD
    $79.00 USD - $79.00 USD
    Current price $79.00 USD

    William Optics 172mm -235mm Bahtinov Focusing Mask

    WO-BM-DS-GR90

    Designed for telescopes with apertures between 172mm and 235mm Precise focusing aid for astrophotography and visual observation Descri...

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    Original price $79.00 USD - Original price $79.00 USD
    Original price
    $79.00 USD
    $79.00 USD - $79.00 USD
    Current price $79.00 USD
  • Original price $88.00 USD - Original price $88.00 USD
    Original price
    $88.00 USD
    $88.00 USD - $88.00 USD
    Current price $88.00 USD

    William Optics 2" RotoLock - M63

    WO-F-ROTO-A63SL

    2" RotoLock adapter designed for M63 threads Ensures a secure and precise connection for 2" accessories ...

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    Original price $88.00 USD - Original price $88.00 USD
    Original price
    $88.00 USD
    $88.00 USD - $88.00 USD
    Current price $88.00 USD
  • Original price $99.00 USD - Original price $99.00 USD
    Original price
    $99.00 USD
    $99.00 USD - $99.00 USD
    Current price $99.00 USD

    William Optics 2" RotoLock Adapter - SCT

    WO-D-ROTO-A2-SCT2F

    Designed for Schmidt-Cassegrain Telescopes (SCT) Features a secure RotoLock mechanism for 2" accessories Description The Willi...

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    Original price $99.00 USD - Original price $99.00 USD
    Original price
    $99.00 USD
    $99.00 USD - $99.00 USD
    Current price $99.00 USD
  • Original price $53.00 USD - Original price $53.00 USD
    Original price
    $53.00 USD
    $53.00 USD - $53.00 USD
    Current price $53.00 USD

    William Optics 2"-1.25" RotoLock Visual Back Adapter

    Options available

    2" to 1.25" RotoLock visual back adapter for secure accessory attachment Ensures a stable and precise connection fo...

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    Original price $53.00 USD - Original price $53.00 USD
    Original price
    $53.00 USD
    $53.00 USD - $53.00 USD
    Current price $53.00 USD
  • Original price $90.00 USD - Original price $90.00 USD
    Original price
    $90.00 USD
    $90.00 USD - $90.00 USD
    Current price $90.00 USD

    William Optics 243-308mm Bahtinov Focusing Mask

    WO-BM-DS-GR150
    1 in stock

    Designed for telescopes with apertures between 243mm and 308mm Precise focusing aid for large aperture telescopes and astrophotography ...

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    Original price $90.00 USD - Original price $90.00 USD
    Original price
    $90.00 USD
    $90.00 USD - $90.00 USD
    Current price $90.00 USD
  • Original price $90.00 USD - Original price $90.00 USD
    Original price
    $90.00 USD
    $90.00 USD - $90.00 USD
    Current price $90.00 USD

    William Optics 243mm Saddle Handle Bar

    WO-M-HC243BL

    Provide a stable platform for attaching guiding scopes and other accessories User-friendly and can be set up quickly Makes it easy to carry and ma...

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    Original price $90.00 USD - Original price $90.00 USD
    Original price
    $90.00 USD
    $90.00 USD - $90.00 USD
    Current price $90.00 USD
  • Original price $141.00 USD - Original price $141.00 USD
    Original price
    $141.00 USD
    $141.00 USD - $141.00 USD
    Current price $141.00 USD

    William Optics 243mm Saddle Handle Bar with 50mm Guiding Rings

    WO-M-HC243BL-GR50IISL

    Compatible with William Optics' slide-base guide rings Can be used to make William Optics telescopes portable Description The Wil...

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    Original price $141.00 USD - Original price $141.00 USD
    Original price
    $141.00 USD
    $141.00 USD - $141.00 USD
    Current price $141.00 USD
  • Original price $44.00 USD - Original price $44.00 USD
    Original price
    $44.00 USD
    $44.00 USD - $44.00 USD
    Current price $44.00 USD

    William Optics 2x Barlow Nosepiece for Binoviewer

    WO-E-BINO-B2
    1 in stock

    2x magnification Barlow lens specifically designed for binoviewers Increases magnification while maintaining focus with binoviewer setups ...

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    Original price $44.00 USD - Original price $44.00 USD
    Original price
    $44.00 USD
    $44.00 USD - $44.00 USD
    Current price $44.00 USD
  • Original price $194.00 USD - Original price $194.00 USD
    Original price
    $194.00 USD
    $194.00 USD - $194.00 USD
    Current price $194.00 USD

    William Optics 3.5"-2" RotoLock Visual Back Adapter

    Options available

    3.5" to 2" RotoLock visual back adapter for secure accessory attachment Ensures a stable and precise connection for...

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    Original price $194.00 USD - Original price $194.00 USD
    Original price
    $194.00 USD
    $194.00 USD - $194.00 USD
    Current price $194.00 USD
  • Original price $64.00 USD - Original price $64.00 USD
    Original price
    $64.00 USD
    $64.00 USD - $64.00 USD
    Current price $64.00 USD

    William Optics 4" Extension Tube for FLT Series

    WO-P-EXFLT

    4" extension tube designed for William Optics FLT Series Provides additional back focus for various optical setups ...

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    Original price $64.00 USD - Original price $64.00 USD
    Original price
    $64.00 USD
    $64.00 USD - $64.00 USD
    Current price $64.00 USD
  • Original price $88.00 USD - Original price $88.00 USD
    Original price
    $88.00 USD
    $88.00 USD - $88.00 USD
    Current price $88.00 USD

    William Optics 45° Erecting Prism - 1.25"

    WO-D-EP125

    45-degree erecting prism for 1.25" telescope eyepieces Provides correct image orientation for terrestrial and astronomical viewing Des...

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    Original price $88.00 USD - Original price $88.00 USD
    Original price
    $88.00 USD
    $88.00 USD - $88.00 USD
    Current price $88.00 USD
  • Original price $34.00 USD - Original price $34.00 USD
    Original price
    $34.00 USD
    $34.00 USD - $34.00 USD
    Current price $34.00 USD

    William Optics 48mm T-Mount for Canon

    WO-TM-CN-EOS-M48
    3 in stock

    Allows for simple installation Made with improved CNC for greater rigidity Description Compatible with Canon EOS-R mount mirrorless cameras....

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    Original price $34.00 USD - Original price $34.00 USD
    Original price
    $34.00 USD
    $34.00 USD - $34.00 USD
    Current price $34.00 USD
  • Original price $56.00 USD - Original price $56.00 USD
    Original price
    $56.00 USD
    $56.00 USD - $56.00 USD
    Current price $56.00 USD

    William Optics 48mm T-Mount for Canon EOS R Mirrorless

    WO-TM-CN-EOSR-M48
    1 in stock

    High-precision M48 T-Mount Adapter For Canon EOS R mirrorless DSLR cameras Description The William Optics 48mm T-Mount for Canon ...

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    Original price $56.00 USD - Original price $56.00 USD
    Original price
    $56.00 USD
    $56.00 USD - $56.00 USD
    Current price $56.00 USD
  • Original price $45.00 USD - Original price $45.00 USD
    Original price
    $45.00 USD
    $45.00 USD - $45.00 USD
    Current price $45.00 USD

    William Optics 48mm T-Mount for Fuji FX - Black

    WO-TM-FJ-X-M48

    High-precision M48 T-Mount Adapter For Fuji FX series cameras Description The William Optics 48mm T-Mount for Pentax K is a high-...

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    Original price $45.00 USD - Original price $45.00 USD
    Original price
    $45.00 USD
    $45.00 USD - $45.00 USD
    Current price $45.00 USD
  • Original price $34.00 USD - Original price $34.00 USD
    Original price
    $34.00 USD
    $34.00 USD - $34.00 USD
    Current price $34.00 USD

    William Optics 48mm T-Mount for Nikon F

    WO-TM-NK-F-M48
    1 in stock

    48mm T-Mount designed for Nikon F-mount cameras Ensures a secure and precise connection between your camera and tel...

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    Original price $34.00 USD - Original price $34.00 USD
    Original price
    $34.00 USD
    $34.00 USD - $34.00 USD
    Current price $34.00 USD
  • Original price $56.00 USD - Original price $56.00 USD
    Original price
    $56.00 USD
    $56.00 USD - $56.00 USD
    Current price $56.00 USD

    William Optics 48mm T-Mount for Nikon Z

    WO-TM-NK-Z-M48
    1 in stock

    High-precision M48 T-Mount Adapter For Canon EOS R mirrorless DSLR cameras Description The William Optics 48mm T-Mount for Canon ...

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    Original price $56.00 USD - Original price $56.00 USD
    Original price
    $56.00 USD
    $56.00 USD - $56.00 USD
    Current price $56.00 USD
  • Original price $34.00 USD - Original price $34.00 USD
    Original price
    $34.00 USD
    $34.00 USD - $34.00 USD
    Current price $34.00 USD

    William Optics 48mm T-Mount for Pentax K - Black

    WO-TM-PT-K-M48
    1 in stock

    High-precision M48 T-Mount Adapter For Pentax K series cameras Description The William Optics 48mm T-Mount for Pentax K is a high...

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    Original price $34.00 USD - Original price $34.00 USD
    Original price
    $34.00 USD
    $34.00 USD - $34.00 USD
    Current price $34.00 USD
  • Original price $45.00 USD - Original price $45.00 USD
    Original price
    $45.00 USD
    $45.00 USD - $45.00 USD
    Current price $45.00 USD

    William Optics 48mm T-Mount for Sony E - Black

    WO-TM-SN-E-M48
    2 in stock

    48mm T-Mount designed specifically for Sony E-mount cameras Allows seamless connection between your Sony E-mount ca...

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    Original price $45.00 USD - Original price $45.00 USD
    Original price
    $45.00 USD
    $45.00 USD - $45.00 USD
    Current price $45.00 USD
  • Original price $148.00 USD - Original price $148.00 USD
    Original price
    $148.00 USD
    $148.00 USD - $148.00 USD
    Current price $148.00 USD

    William Optics 50mm Guiding Scope

    Options available

    Make it easier to find and track guide stars User-friendly and can be set up quickly Description The William Optics 50mm Guiding ...

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    Original price $148.00 USD - Original price $148.00 USD
    Original price
    $148.00 USD
    $148.00 USD - $148.00 USD
    Current price $148.00 USD