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IMPORTANT: Our store is located in Canada. All orders that include products manufactured outside of Canada or USA will be subject to tariffs and duties, regardless of the order value. US customers are responsible for all applicable duties and tariffs, and those will be billed by the carrier, except for the Lacerta upgrade kit, for which we collect them at checkout.
IMPORTANT: Our store is located in Canada. All orders that include products manufactured outside of Canada or USA will be subject to tariffs and duties, regardless of the order value. US customers are responsible for all applicable duties and tariffs, and those will be billed by the carrier, except for the Lacerta upgrade kit, for which we collect them at checkout.

Products

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$113.00 - $113.00
$113.00
$113.00 - $113.00
$113.00

William Optics Bahtinov Mask Cover for GT81 / Z81

Options available

Bahtinov mask cover for William Optics GT81 and Z81 telescopes Enhances focusing accuracy for astrophotography Description The Willi...

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$113.00 - $113.00
$113.00
$113.00 - $113.00
$113.00
$185.00 - $185.00
$185.00
$185.00 - $185.00
$185.00

William Optics Bahtinov Mask Cover for Takahashi FSQ106

Options available

Bahtinov mask cover for Takahashi FSQ106 telescope Enhances focusing accuracy for astrophotography Description The William Optics Ba...

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$185.00 - $185.00
$185.00
$185.00 - $185.00
$185.00
$108.00 - $108.00
$108.00
$108.00 - $108.00
$108.00

William Optics Bahtinov Mask Cover for WO Z61

WO-CPBM-61GD

Precision focusing aid for the William Optics Z61 telescope Custom-designed to fit the Z61 model perfectly Description The Wil...

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$108.00 - $108.00
$108.00
$108.00 - $108.00
$108.00
$369.00 - $369.00
$369.00
$369.00 - $369.00
$369.00

William Optics Binoviewer Complete Package

WO-E-BINO-P
7 in stock

Enhances visual astronomy with comfortable two-eye viewing Complete package includes binoviewer, eyepieces, and accessories Descriptio...

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$369.00 - $369.00
$369.00
$369.00 - $369.00
$369.00
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$67.00 - $67.00
$67.00
$67.00 - $67.00
$67.00

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

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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$67.00 - $67.00
$67.00
$67.00 - $67.00
$67.00
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$129.00 - $129.00
$129.00
$129.00 - $129.00
$129.00

William Optics Camera Angle Rotator for 2.5" M63 Focuser

WO-M-CAA63
1 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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$129.00 - $129.00
$129.00
$129.00 - $129.00
$129.00
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$64.00 - $64.00
$64.00
$64.00 - $64.00
$64.00

William Optics Canon EOS Camera Adapter - Discontinued

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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$64.00 - $64.00
$64.00
$64.00 - $64.00
$64.00
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$249.00 - $249.00
$249.00
$249.00 - $249.00
$249.00

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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$249.00 - $249.00
$249.00
$249.00 - $249.00
$249.00
$2,598.00 - $2,998.00
$2,598.00 - $2,998.00
$2,598.00 - $2,998.00
$2,598.00

William Optics Cat 91 WIFD

Options available
1 variants in stock

Petzval Design, No Backfocus Hassles Full-Frame & Medium-Format Ready, No Extra Flattener Needed Fast f/4.9 Focal Ratio Seamle...

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$2,598.00 - $2,998.00
$2,598.00 - $2,998.00
$2,598.00 - $2,998.00
$2,598.00
$50.00 - $50.00
$50.00
$50.00 - $50.00
$50.00

William Optics Cat Mounting Ring

WO-M-MR50RC-BL

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

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$50.00 - $50.00
$50.00
$50.00 - $50.00
$50.00
$60.00 - $60.00
$60.00
$60.00 - $60.00
$60.00

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...

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$60.00 - $60.00
$60.00
$60.00 - $60.00
$60.00
$36.00 - $38.00
$36.00 - $38.00
$36.00 - $38.00
$36.00

William Optics DSD 110 Plate

Options available
5 variants in stock

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

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$36.00 - $38.00
$36.00 - $38.00
$36.00 - $38.00
$36.00
$45.00 - $48.00
$45.00 - $48.00
$45.00 - $48.00
$45.00

William Optics DSD 210 Plate

Options available
4 variants in stock

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

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$45.00 - $48.00
$45.00 - $48.00
$45.00 - $48.00
$45.00
$51.76 - $58.00
$51.76 - $58.00
$51.76 - $58.00
$51.76

William Optics DSD 245 Plate

Options available
4 variants in stock

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

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$51.76 - $58.00
$51.76 - $58.00
$51.76 - $58.00
$51.76
$34.00 - $34.00
$34.00
$34.00 - $34.00
$34.00

William Optics Extension Bar for iOptron Skyguider Pro

WO-M-IO-EB20

Adds a declination axis to the iOptron SkyGuider Pro Specifically designed to fit the iOptron SkyGuider Pro Description The Wi...

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$34.00 - $34.00
$34.00
$34.00 - $34.00
$34.00
$64.00 - $64.00
$64.00
$64.00 - $64.00
$64.00

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...

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$64.00 - $64.00
$64.00
$64.00 - $64.00
$64.00
$64.00 - $64.00
$64.00
$64.00 - $64.00
$64.00

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...

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$64.00 - $64.00
$64.00
$64.00 - $64.00
$64.00
$64.00 - $64.00
$64.00
$64.00 - $64.00
$64.00

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 ...

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$64.00 - $64.00
$64.00
$64.00 - $64.00
$64.00
$788.00 - $788.00
$788.00
$788.00 - $788.00
$788.00

William Optics Flattener 68III

WO-P-FLAT68III

Designed specifically for William Optics 68mm f/6 refractor telescopes Corrects field curvature for improved edge-to-edge sharpness De...

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$788.00 - $788.00
$788.00
$788.00 - $788.00
$788.00
$3,598.00 - $3,598.00
$3,598.00
$3,598.00 - $3,598.00
$3,598.00

William Optics Fluorostar 120

Options available

120mm APO F/6 Fast Focal Ratio Portable and Versatile Description Specifications In the Box Unleash your passion for astrophotography with t...

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$3,598.00 - $3,598.00
$3,598.00
$3,598.00 - $3,598.00
$3,598.00
$4,378.00 - $5,668.00
$4,378.00 - $5,668.00
$4,378.00 - $5,668.00
$4,378.00

William Optics Fluorostar 132

Options available

132mm APO F/6.9 Fast Focal Ratio Portable and Versatile Description Specifications In the Box Unleash your passion for astrophotography with...

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$4,378.00 - $5,668.00
$4,378.00 - $5,668.00
$4,378.00 - $5,668.00
$4,378.00
$7,398.00 - $8,998.00
$7,398.00 - $8,998.00
$7,398.00 - $8,998.00
$7,398.00

William Optics Fluorostar 156

Options available

156mm APO F/6.7 Fast Focal Ratio Portable and Versatile Description Specifications In the Box Unleash your passion for astrophotography with...

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$7,398.00 - $8,998.00
$7,398.00 - $8,998.00
$7,398.00 - $8,998.00
$7,398.00
$1,998.00 - $2,198.00
$1,998.00 - $2,198.00
$1,998.00 - $2,198.00
$1,998.00

William Optics Fluorostar 91

Options available

91mm APO using FPL-53 Glass F/5.9 Fast Focal Ratio Portable and Versatile Description Specifications In the Box Take your astrophotography t...

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$1,998.00 - $2,198.00
$1,998.00 - $2,198.00
$1,998.00 - $2,198.00
$1,998.00
$1,098.00 - $1,098.00
$1,098.00
$1,098.00 - $1,098.00
$1,098.00

William Optics Gran Turismo 71 APO Triplet

WO-A-F71GTII-RD

71mm APO Triplet F/5.9 Fast Focal Ratio Portable and Versatile Description Specifications In the Box Unleash your passion for astrophotograp...

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$1,098.00 - $1,098.00
$1,098.00
$1,098.00 - $1,098.00
$1,098.00