Skip to content
ZWO Seestar S30 Desktop
Holiday Schedule: We’ll be taking a short break from December 24th to December 29th to enjoy the holidays. During this time, the store will be closed, no orders will be shipped, and support will be unavailable. Happy Holidays!
Holiday Schedule: We’ll be taking a short break from December 24th to December 29th to enjoy the holidays. During this time, the store will be closed, no orders will be shipped, and support will be unavailable. Happy Holidays!

Parts and Accessories

Filters

  • Save 11% Save %
    CA$76.00
    CA$76.00 - CA$76.00
    CA$76.00
    CA$68.00
    CA$68.00 - CA$68.00
    CA$68.00

    William Optics Cat Series Saddle Handle Bar

    Options available
    3 variants in stock

    Designed for the William Optics Cat Series telescopes Features a sleek and ergonomic design Description The William Optics Cat Se...

    View full details
    CA$76.00
    CA$76.00 - CA$76.00
    CA$76.00
    CA$68.00
    CA$68.00 - CA$68.00
    CA$68.00
    Save 11% Save %
  • Save 10% Save %
    CA$52.00
    CA$52.00 - CA$52.00
    CA$52.00
    CA$47.00
    CA$47.00 - CA$47.00
    CA$47.00

    William Optics DSD 110 Plate

    Options available

    DSD 110 Plate by William Optics Provides a secure mounting solution for telescopes and accessories Desc...

    View full details
    CA$52.00
    CA$52.00 - CA$52.00
    CA$52.00
    CA$47.00
    CA$47.00 - CA$47.00
    CA$47.00
    Save 10% Save %
  • Save 9% Save %
    CA$65.00
    CA$65.00 - CA$65.00
    CA$65.00
    CA$59.00
    CA$59.00 - CA$59.00
    CA$59.00

    William Optics DSD 210 Plate

    Options available
    5 variants in stock

    DSD 210 Plate by William Optics Provides a secure mounting solution for telescopes and accessories Desc...

    View full details
    CA$65.00
    CA$65.00 - CA$65.00
    CA$65.00
    CA$59.00
    CA$59.00 - CA$59.00
    CA$59.00
    Save 9% Save %
  • Save 10% Save %
    CA$71.00
    CA$71.00 - CA$71.00
    CA$71.00
    CA$64.00
    CA$64.00 - CA$64.00
    CA$64.00

    William Optics DSD 245 Plate

    Options available
    5 variants in stock

    DSD 245 Plate by William Optics Provides a secure mounting solution for telescopes and accessories Desc...

    View full details
    CA$71.00
    CA$71.00 - CA$71.00
    CA$71.00
    CA$64.00
    CA$64.00 - CA$64.00
    CA$64.00
    Save 10% Save %
  • Save 10% Save %
    CA$92.00
    CA$92.00 - CA$92.00
    CA$92.00
    CA$83.00
    CA$83.00 - CA$83.00
    CA$83.00

    William Optics Flat4 Draw Tube Adapter for FLT (Gold) for 2007-2016 Models

    WO-AD4-A006-L00GD03

    Designed for William Optics FLT telescopes (2007-2016 models) Gold-colored finish for aesthetic appeal Description The William...

    View full details
    CA$92.00
    CA$92.00 - CA$92.00
    CA$92.00
    CA$83.00
    CA$83.00 - CA$83.00
    CA$83.00
    Save 10% Save %
  • Save 10% Save %
    CA$92.00
    CA$92.00 - CA$92.00
    CA$92.00
    CA$83.00
    CA$83.00 - CA$83.00
    CA$83.00

    William Optics Flat4 Draw Tube Adapter for GT102, FLT 132 - Black for 3" V-Power Focuser

    WO-AD4-A006-L00BL03

    Designed for William Optics GT102 and FLT 132 telescopes with 3" V-Power Focuser Black-colored finish for a sleek, professional look D...

    View full details
    CA$92.00
    CA$92.00 - CA$92.00
    CA$92.00
    CA$83.00
    CA$83.00 - CA$83.00
    CA$83.00
    Save 10% Save %
  • Save 10% Save %
    CA$92.00
    CA$92.00 - CA$92.00
    CA$92.00
    CA$83.00
    CA$83.00 - CA$83.00
    CA$83.00

    William Optics Flat4 Draw Tube Adapter for GT102, FLT 132 - Blue for 3" V-power Focuser

    WO-AD4-A006-L00BU03

    Designed for William Optics GT102 and FLT 132 telescopes with 3" V-power Focuser Blue-colored finish for aesthetic appeal Description ...

    View full details
    CA$92.00
    CA$92.00 - CA$92.00
    CA$92.00
    CA$83.00
    CA$83.00 - CA$83.00
    CA$83.00
    Save 10% Save %
  • Save 10% Save %
    CA$72.00
    CA$72.00 - CA$72.00
    CA$72.00
    CA$65.00
    CA$65.00 - CA$65.00
    CA$65.00

    William Optics Image Plane Tilt Adjuster

    WO-M-FD-RC51

    Image plane tilt adjuster designed for precise alignment Enhances image quality by correcting tilt in the optical p...

    View full details
    CA$72.00
    CA$72.00 - CA$72.00
    CA$72.00
    CA$65.00
    CA$65.00 - CA$65.00
    CA$65.00
    Save 10% Save %
  • Save 10% Save %
    CA$131.00
    CA$131.00 - CA$131.00
    CA$131.00
    CA$118.00
    CA$118.00 - CA$118.00
    CA$118.00

    William Optics Long Version Vixen-Style Dovetail Plate

    WO-M-PV-LII

    Increased stability, especially for heavier or longer optical tubes. Designed to fit Vixen-style dovetail mounts Description Th...

    View full details
    CA$131.00
    CA$131.00 - CA$131.00
    CA$131.00
    CA$118.00
    CA$118.00 - CA$118.00
    CA$118.00
    Save 10% Save %
  • Save 10% Save %
    CA$71.00
    CA$71.00 - CA$71.00
    CA$71.00
    CA$64.00
    CA$64.00 - CA$64.00
    CA$64.00

    William Optics Longer adjusting adapter for FLAT68III, FLAT7A

    WO-AD-M80-45-M48

    Longer adjustment range for more precise focusing Compatible with FLAT68III and FLAT7A telescopes Allows for more accurate adjustment of the teles...

    View full details
    CA$71.00
    CA$71.00 - CA$71.00
    CA$71.00
    CA$64.00
    CA$64.00 - CA$64.00
    CA$64.00
    Save 10% Save %
  • Save 10% Save %
    CA$167.00
    CA$167.00 - CA$167.00
    CA$167.00
    CA$150.00
    CA$150.00 - CA$150.00
    CA$150.00

    William Optics Losmandy Style Type D

    Options available

    Losmandy-style dovetail plate (Type D) by William Optics Compatible with a variety of telescopes and mounts ...

    View full details
    CA$167.00
    CA$167.00 - CA$167.00
    CA$167.00
    CA$150.00
    CA$150.00 - CA$150.00
    CA$150.00
    Save 10% Save %
  • Save 13% Save %
    CA$16.00
    CA$16.00 - CA$16.00
    CA$16.00
    CA$14.00
    CA$14.00 - CA$14.00
    CA$14.00

    William Optics M48 Female to M42 Male Adapter

    WO-YE-M48-42
    1 in stock

    M48 female to M42 male adapter for versatile connection options Allows seamless integration between M48 and M42 thr...

    View full details
    CA$16.00
    CA$16.00 - CA$16.00
    CA$16.00
    CA$14.00
    CA$14.00 - CA$14.00
    CA$14.00
    Save 13% Save %
  • Save 10% Save %
    CA$48.00
    CA$48.00 - CA$48.00
    CA$48.00
    CA$43.00
    CA$43.00 - CA$43.00
    CA$43.00

    William Optics M48 Push-in Nosepiece for WO 2" Diagonals & UniGuide Scope

    WO-WD-DIG2A

    M48 push-in nosepiece for WO 2" diagonals and UniGuide scopes Enables easy integration of 2" accessories with Willi...

    View full details
    CA$48.00
    CA$48.00 - CA$48.00
    CA$48.00
    CA$43.00
    CA$43.00 - CA$43.00
    CA$43.00
    Save 10% Save %
  • Save 10% Save %
    CA$63.00
    CA$63.00 - CA$63.00
    CA$63.00
    CA$57.00
    CA$57.00 - CA$57.00
    CA$57.00

    William Optics M63 Female to 2" Push-in Adapter for P-FLAT6AIII

    WO-YE-M63F-2IN-PI
    1 in stock

    M63 female to 2" push-in adapter designed for the P-FLAT6AIII Facilitates the connection between your telescope and...

    View full details
    CA$63.00
    CA$63.00 - CA$63.00
    CA$63.00
    CA$57.00
    CA$57.00 - CA$57.00
    CA$57.00
    Save 10% Save %
  • Save 10% Save %
    CA$92.00
    CA$92.00 - CA$92.00
    CA$92.00
    CA$83.00
    CA$83.00 - CA$83.00
    CA$83.00

    William Optics M63(M) to M48(M) Photo Adapter

    WO-P-PAM-63-48
    1 in stock

    M63 male to M48 male photo adapter for versatile connection options Facilitates seamless integration between M63 an...

    View full details
    CA$92.00
    CA$92.00 - CA$92.00
    CA$92.00
    CA$83.00
    CA$83.00 - CA$83.00
    CA$83.00
    Save 10% Save %
  • Save 9% Save %
    CA$65.00
    CA$65.00 - CA$65.00
    CA$65.00
    CA$59.00
    CA$59.00 - CA$59.00
    CA$59.00

    William Optics Micro 4/3 48mm T-Mount for Olympus - Black

    WO-YE-TR-M48MFT

    Micro 4/3 48mm T-Mount designed for Olympus cameras Allows seamless connection between your Olympus camera and tele...

    View full details
    CA$65.00
    CA$65.00 - CA$65.00
    CA$65.00
    CA$59.00
    CA$59.00 - CA$59.00
    CA$59.00
    Save 9% Save %
  • Save 10% Save %
    CA$213.00
    CA$213.00 - CA$213.00
    CA$213.00
    CA$192.00
    CA$192.00 - CA$192.00
    CA$192.00

    William Optics Mounting Rings 90mm

    WO-M-M80R-B

    Seamlessly integrate with your existing astrophotography gear. Ensures stable attachment of your telescope to your mount. Description In th...

    View full details
    CA$213.00
    CA$213.00 - CA$213.00
    CA$213.00
    CA$192.00
    CA$192.00 - CA$192.00
    CA$192.00
    Save 10% Save %
  • Save up to 9% Save %
    CA$42.00 - CA$43.00
    CA$42.00 - CA$43.00
    CA$42.00
    CA$38.00 - CA$39.00
    CA$38.00 - CA$39.00
    CA$38.00

    William Optics Pair of Riser Blocks

    Options available
    2 variants in stock

    Pair of riser blocks for elevating telescope mounting Compatible with various William Optics and standard mounting systems Description...

    View full details
    CA$42.00 - CA$43.00
    CA$42.00 - CA$43.00
    CA$42.00
    CA$38.00 - CA$39.00
    CA$38.00 - CA$39.00
    CA$38.00
    Save up to 9% Save %
  • Save 9% Save %
    CA$95.00
    CA$95.00 - CA$95.00
    CA$95.00
    CA$86.00
    CA$86.00 - CA$86.00
    CA$86.00

    William Optics Saddle Plate for Vixen-Style Dovetail Plate - 90mm

    WO-M-SP90RC-RD

    Precision-machined from high-grade aluminum for a perfect fit Description The William Optics Saddle Plate for Vixen-Style Dovetail Plate - 9...

    View full details
    CA$95.00
    CA$95.00 - CA$95.00
    CA$95.00
    CA$86.00
    CA$86.00 - CA$86.00
    CA$86.00
    Save 9% Save %
  • Save 10% Save %
    CA$62.00
    CA$62.00 - CA$62.00
    CA$62.00
    CA$56.00
    CA$56.00 - CA$56.00
    CA$56.00

    William Optics SCT Connection for WO Diagonals - Gold

    WO-D-SCT-TA-G

    Adapter for connecting Schmidt-Cassegrain telescopes to William Optics diagonals Gold-anodized finish for durability and aesthetic appeal ...

    View full details
    CA$62.00
    CA$62.00 - CA$62.00
    CA$62.00
    CA$56.00
    CA$56.00 - CA$56.00
    CA$56.00
    Save 10% Save %
  • Save 10% Save %
    CA$92.00
    CA$92.00 - CA$92.00
    CA$92.00
    CA$83.00
    CA$83.00 - CA$83.00
    CA$83.00

    William Optics Slide-Base 50mm Guiding Rings

    WO-M-GR50SL
    1 in stock

    Seamlessly integrate with your existing astrophotography gear. Ensures stable attachment of your telescope to your mount. Description In the bo...

    View full details
    CA$92.00
    CA$92.00 - CA$92.00
    CA$92.00
    CA$83.00
    CA$83.00 - CA$83.00
    CA$83.00
    Save 10% Save %
  • Save 10% Save %
    CA$92.00
    CA$92.00 - CA$92.00
    CA$92.00
    CA$83.00
    CA$83.00 - CA$83.00
    CA$83.00

    William Optics Slide-Base 50mm Guiding Rings - No Adjustments Screws

    WO-M-GR50IISL

    Seamlessly integrate with your existing astrophotography gear. Ensures stable attachment of your telescope to your mount. Description In th...

    View full details
    CA$92.00
    CA$92.00 - CA$92.00
    CA$92.00
    CA$83.00
    CA$83.00 - CA$83.00
    CA$83.00
    Save 10% Save %
  • Save 9% Save %
    CA$85.00
    CA$85.00 - CA$85.00
    CA$85.00
    CA$77.00
    CA$77.00 - CA$77.00
    CA$77.00

    William Optics Soft Carry Case for Z71 / Z73 / Star71 / GT71

    WO-BG1-P004

    Soft carry case designed specifically for William Optics Z71, Z73, Star71, and GT71 telescopes Offers protection an...

    View full details
    CA$85.00
    CA$85.00 - CA$85.00
    CA$85.00
    CA$77.00
    CA$77.00 - CA$77.00
    CA$77.00
    Save 9% Save %
  • Save 10% Save %
    CA$71.00
    CA$71.00 - CA$71.00
    CA$71.00
    CA$64.00
    CA$64.00 - CA$64.00
    CA$64.00

    William Optics Soft Carry Case for Zenithstar 61 Telescope

    WO-BG1-P006-A01BL01

    Soft carry case designed specifically for the William Optics Zenithstar 61 telescope Offers protection and convenience for transporting your...

    View full details
    CA$71.00
    CA$71.00 - CA$71.00
    CA$71.00
    CA$64.00
    CA$64.00 - CA$64.00
    CA$64.00
    Save 10% Save %