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Until May 2nd, 2025, orders under US$800 will not incur any duties or taxes upon delivery. Please note that orders under US$800 crossing the Canada-USA border after this date will be subject to duties. They will be billed by the carrier, and you will be responsible to pay them. Prioritize ordering items that are in stock!
Until May 2nd, 2025, orders under US$800 will not incur any duties or taxes upon delivery. Please note that orders under US$800 crossing the Canada-USA border after this date will be subject to duties. They will be billed by the carrier, and you will be responsible to pay them. Prioritize ordering items that are in stock!

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Parts and Accessories

  • 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 $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 $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 243mm Saddle Handle Bar

    WO-M-HC243BL
    2 in stock

    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 $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 $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
    2 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
    2 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
    1 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 $58.00 USD - Original price $58.00 USD
    Original price
    $58.00 USD
    $58.00 USD - $58.00 USD
    Current price $58.00 USD

    William Optics 81mm Carry Soft Case

    WO-BG1-P002

    Soft carry case designed specifically for 81mm William Optics telescopes Offers protection and convenience for tran...

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    Original price $58.00 USD - Original price $58.00 USD
    Original price
    $58.00 USD
    $58.00 USD - $58.00 USD
    Current price $58.00 USD
  • Original price $168.00 USD - Original price $168.00 USD
    Original price
    $168.00 USD
    $168.00 USD - $168.00 USD
    Current price $168.00 USD

    William Optics 98/102/103/110 Soft Case

    WO-BG1-P001

    Soft carry case designed specifically for William Optics 98mm, 102mm, 103mm, and 110mm telescopes Offers protection...

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    Original price $168.00 USD - Original price $168.00 USD
    Original price
    $168.00 USD
    $168.00 USD - $168.00 USD
    Current price $168.00 USD
  • Original price $67.00 USD - Original price $67.00 USD
    Original price
    $67.00 USD
    $67.00 USD - $67.00 USD
    Current price $67.00 USD

    William Optics Birding 250mm Duelside Plate (Manfrotto & Arca Swiss Type)

    WO-M-PMA250

    Work with Vixen-style dovetail bars Made of durable materials Description The William Optics Birding 250mm Duelside Plate is an acces...

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    Original price $67.00 USD - Original price $67.00 USD
    Original price
    $67.00 USD
    $67.00 USD - $67.00 USD
    Current price $67.00 USD
  • Original price $109.00 USD - Original price $109.00 USD
    Original price
    $109.00 USD
    $109.00 USD - $109.00 USD
    Current price $109.00 USD

    William Optics Camera Angle Rotator for 2.5" M63 Focuser

    WO-M-CAA63
    3 in stock

    Camera angle rotator designed for William Optics 2.5" M63 focuser Allows precise adjustment of the camera angle for...

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    Original price $109.00 USD - Original price $109.00 USD
    Original price
    $109.00 USD
    $109.00 USD - $109.00 USD
    Current price $109.00 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 Canon EOS Camera Adapter

    WO-AD4-A009-L00BL03

    Allows attachment of Canon EOS cameras to William Optics telescopes Ensures a secure and stable connection for astrophotography Description ...

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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 $208.00 USD - Original price $208.00 USD
    Original price
    $208.00 USD
    $208.00 USD - $208.00 USD
    Current price $208.00 USD

    William Optics Carry Soft Case for FLT132

    WO-BG1-P005

    Soft carry case designed specifically for the William Optics FLT132 telescope Offers protection and convenience for...

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    Original price $208.00 USD - Original price $208.00 USD
    Original price
    $208.00 USD
    $208.00 USD - $208.00 USD
    Current price $208.00 USD