William Optics Holiday Sale – Page 4

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Showing 73 - 96 of 99 products

Save $9

William Optics Accessory William Optics Stl CCD Cameras Flanged Adapter - P-STL

William Optics Accessory William Optics Stl CCD Cameras flanged adapter for usage with the P-FLAT68 FLT field flattener. - P-STL

William Optics William Optics Stl CCD Cameras Flanged Adapter - P-STL

$181 CAD $190 CAD

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William Optics Accessory William Optics 90mm Mounting Rings - M-M80R-B

William Optics Accessory William Optics 90mm Mounting Rings - M-M80R-B

William Optics William Optics 90mm Mounting Rings - M-M80R-B

$234 CAD $246 CAD

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William Optics Guide Scope Black William Optics 50mm Guide Scope with a Unique 1.25" RotoLock - M-G50

William Optics Guide Scope William Optics 50mm Guide Scope with a Unique 1.25" RotoLock - M-G50

William Optics William Optics 50mm Guide Scope with a Unique 1.25" RotoLock - M-G50

From $158 CAD $166 CAD

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William Optics Accessory William Optics Dura Bright Carbon Fiber 2" Dielectric Diagonal with 99 % Reflectivity - D-DIG2D-C-DB

William Optics Accessory William Optics Dura Bright Carbon Fiber 2" Dielectric Diagonal with 99 % Reflectivity - D-DIG2D-C-DB

William Optics William Optics Dura Bright Carbon Fiber 2" Dielectric Diagonal with 99 % Reflectivity - D-DIG2D-C-DB

$248 CAD $261 CAD

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William Optics Accessory William Optics Soft Carry case for FLT132 (foam is not included) - BG1-P005

William Optics William Optics Soft Carry case for FLT132 (foam is not included) - BG1-P005

$327 CAD $344 CAD

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William Optics Accessory Red William Optics RotoLock Visual Back Adapter for FLT focuser 3.5"-2" Upgraded - F-ROTO-A3.5-2

William Optics Accessory Blue William Optics RotoLock Visual Back Adapter for FLT focuser 3.5"-2" Upgraded - F-ROTO-A3.5-2

William Optics William Optics RotoLock Visual Back Adapter for FLT focuser 3.5"-2" Upgraded - F-ROTO-A3.5-2

$299 CAD $315 CAD

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William Optics Mount William Optics Low Latitude WO Vixen style base mount - YG-IO-SG01L-RD

William Optics Mount William Optics Low Latitude WO Vixen style base mount - YG-IO-SG01L-RD

William Optics William Optics Low Latitude WO Vixen style base mount - YG-IO-SG01L-RD

$362 CAD $381 CAD

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William Optics Mount William Optics High Latitude WO Vixen Style Base Mount - YG-IO-SG01H-RD

William Optics Mount William Optics High Latitude WO Vixen Style Base Mount - YG-IO-SG01H-RD

William Optics William Optics High Latitude WO Vixen Style Base Mount - YG-IO-SG01H-RD

$362 CAD $381 CAD

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William Optics Filter William Optics STC Ultra Layer® Astro Multispectra Fiter 48mm - YF-STC-M48

William Optics Filter William Optics STC Ultra Layer® Astro Multispectra Fiter 48mm - YF-STC-M48

William Optics William Optics STC Ultra Layer® Astro Multispectra Fiter 48mm - YF-STC-M48

$312 CAD $328 CAD

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William Optics Flattener William Optics New Adjustable Flattener 61A for Z61 and GS61 - P-FLAT61A

William Optics Flattener William Optics New Adjustable Flattener 61A for Z61 and GS61 - P-FLAT61A

William Optics William Optics New Adjustable Flattener 61A for ZenithStar 61 and GuideStar 61 - P-FLAT61A

$365 CAD $384 CAD

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William Optics Flattener William Optics 6AIII 2" x0.8 Reducer APO Adjustable Field Flattener - FLT91/GT71/GT81/Z103 - P-FLAT6AIII

William Optics Flattener William Optics 6AIII 2" x0.8 Reducer APO Adjustable Field Flattener - FLT91/GT71/GT81/Z103 - P-FLAT6AIII

William Optics William Optics 6AIII 2" x0.8 Reducer APO Adjustable Field Flattener - FLT91/GT71/GT81/Z103 - P-FLAT6AIII

$352 CAD $371 CAD

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William Optics Binoviewer William Optics Binoviewers, 2x 20 mm 1.25 W.A. 66 deg. Eyepieces, 1.6x Barlow nosepiece - E-BINO-P

William Optics Binoviewer William Optics Binoviewers, 2x 20 mm 1.25 W.A. 66 deg. Eyepieces, 1.6x Barlow nosepiece - E-BINO-P

William Optics William Optics Binoviewers, 2x 20 mm 1.25 W.A. 66 deg. Eyepieces, 1.6x Barlow nosepiece - E-BINO-P

$484 CAD $509 CAD

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William Optics Filter William Optics STC Astro Duo-Narrowband Filter 48mm - YF-STC-ADN

William Optics Filter William Optics STC Astro Duo-Narrowband Filter 48mm - YF-STC-ADN

William Optics William Optics STC Astro Duo-Narrowband Filter 48mm - YF-STC-ADN

$627 CAD $660 CAD

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William Optics Telescope William Optics New ZenithStar 61 II f/5.9 OTA FPL53 Doublet APO, 2" Focuser - A-Z61

William Optics Telescope William Optics New ZenithStar 61 II f/5.9 OTA FPL53 Doublet APO, 2" Focuser - A-Z61

William Optics William Optics New ZenithStar 61 II f/5.9 OTA FPL53 Doublet APO, 2" Focuser - A-Z61

$914 CAD $962 CAD

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William Optics Flattener William Optics Adjustable Full-Frame Flattener 68III for FLT91/FLT120/FLT132/FLT156/GT102 /GT153/Z126 - P-FLAT68III

William Optics Flattener William Optics Adjustable Full-Frame Flattener 68III for FLT91/FLT120/FLT132/FLT156/GT102 /GT153/Z126 - P-FLAT68III

William Optics William Optics Adjustable Full-Frame Flattener 68III for FLT91/FLT120/FLT132/FLT156/GT102 /GT153/Z126 - P-FLAT68III

$1,033 CAD $1,087 CAD

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William Optics Flattener William Optics x0.72 Full-Frame Reducer-Flattener Triplet APO Design - P-FLAT8

William Optics Flattener William Optics x0.72 Full-Frame Reducer-Flattener Triplet APO Design - P-FLAT8

William Optics William Optics x0.72 Full-Frame Reducer-Flattener Triplet APO Design - P-FLAT8

$858 CAD $903 CAD

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$William Optics Telescope William Optics All New Gran Turismo 71 APO Refractor, 2.5" R&P Focuser - A-F71GTII$ $William Optics Telescope William Optics All New Gran Turismo 71 APO Refractor, 2.5" R&P Focuser - A-F71GTII$

William Optics William Optics All New Gran Turismo 71 APO Refractor, 2.5" R&P Focuser - A-F71GTII

$1,135 CAD $1,195 CAD

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William Optics Telescope Red with R&P William Optics FLT 132mm f/7 OTA FPL-53 Version IV with 3.5" Feather Touch or R&P Focuser and 3" RotoLock Adapter - A-F132

William Optics Telescope Space Gray with R&P William Optics FLT 132mm f/7 OTA FPL-53 Version IV with 3.5" Feather Touch or R&P Focuser and 3" RotoLock Adapter - A-F132

William Optics William Optics FLT 132mm f/7 OTA FPL-53 Version IV with 3.5" Feather Touch or R&P Focuser and 3" RotoLock Adapter - A-F132

$6,552 CAD $6,897 CAD

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William Optics Accessory William Optics M48 Push-in NosePiece for WO 2" Diagonals & UniGuide Scope - WD-DIG2A

William Optics Accessory William Optics M48 Push-in NosePiece for WO 2" Diagonals & UniGuide Scope - WD-DIG2A

William Optics William Optics M48 Push-in NosePiece for WO 2" Diagonals & UniGuide Scope - WD-DIG2A

$51 CAD $54 CAD

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William Optics Accessory William Optics Saddle Plate for Vixen-Style Dovetail Plate - 90mm - M-SP90RC

William Optics Accessory William Optics Saddle Plate for Vixen-Style Dovetail Plate - 90mm - M-SP90RC

William Optics William Optics Saddle Plate for Vixen-Style Dovetail Plate - 90mm - M-SP90RC

$104 CAD $109 CAD

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William Optics Accessory William Optics Slide-Base 50mm Guide Scope Rings

William Optics Accessory Silver William Optics Slide-Base 50mm Guide Scope Rings

William Optics William Optics Slide-Base 50mm Guide Scope Rings

From $87 CAD $92 CAD

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William Optics Accessory William Optics 120mm Saddle Handle Bar - M-HC120BL

William Optics Accessory William Optics 120mm Saddle Handle Bar - M-HC120BL

William Optics William Optics 120mm Saddle Handle Bar - M-HC120BL

$63 CAD $66 CAD

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William Optics Accessory William Optics T-Mount/T-Rings For DSLRs

William Optics Accessory William Optics T-Mount/T-Rings For DSLRs

William Optics William Optics T-Mount/T-Rings For DSLRs

From $51 CAD $54 CAD

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William Optics Accessories William Optics Red Dot Finder Kit with Vixen Style Mounting Base - M-RDF-P-VBII

William Optics Accessories William Optics Red Dot Finder Kit with Vixen Style Mounting Base - M-RDF-P-VBII

William Optics William Optics Red Dot Finder Kit with Vixen Style Mounting Base - M-RDF-P-VBII

$138 CAD $145 CAD

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Lifetime Technical Support

Every purchase includes ongoing help with product configuration, assembly and setup, and troubleshooting (hardware/software). While manufacturer warranties still govern repairs, replacements and parts, we’ll guide you through diagnostics and assist with warranty claims.

Priority Customer Service

Whether you're just starting out or diving deeper into astronomy, our friendly Product Support Specialists are ready to guide you every step of the way.
✨ Need a hand? Contact Us - we’d love to hear from you!

Proudly Canadian

We’re 100% owned and operated right here in Ontario -and we love supporting fellow Canadian manufacturers. Explore our collection of homegrown products and trusted Canadian brands!

Promotes Sustainability

We are committed to fostering a sustainable future by promoting environmentally responsible practices within our business and astronomy. We use recyclable shipping materials and re-use non-recyclable materials wherever possible.