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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.

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Products

Original price $2,198.00 - Original price $2,198.00
Original price
$2,198.00
$2,198.00 - $2,198.00
Current price $2,198.00

William Optics Gran Turismo WIFD 81

Options available

81mm APO F/5.9 Fast Focal Ratio Portable and Versatile Description Specifications In the Box Unleash your passion for astrophotography with ...

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Original price $2,198.00 - Original price $2,198.00
Original price
$2,198.00
$2,198.00 - $2,198.00
Current price $2,198.00
Original price $398.00 - Original price $438.00
Original price
$398.00 - $438.00
$398.00 - $438.00
Current price $398.00

William Optics GuideStar 61

Options available

61mm aperture apochromatic refractor telescope Versatile instrument for both guiding and wide-field astrophotography Description ...

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Original price $398.00 - Original price $438.00
Original price
$398.00 - $438.00
$398.00 - $438.00
Current price $398.00
Original price $288.00 - Original price $288.00
Original price
$288.00
$288.00 - $288.00
Current price $288.00

William Optics High Latitude WO Vixen Style Base Mount with Extension Bar

WO-YG-IO-SG01H-RD-P
2 in stock

Useful for astronomers and astrophotographers working near the equator. Designed to fit Vixen-style dovetail mounts Description Videos...

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Original price $288.00 - Original price $288.00
Original price
$288.00
$288.00 - $288.00
Current price $288.00
Original price $60.00 - Original price $60.00
Original price
$60.00
$60.00 - $60.00
Current price $60.00

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...

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Original price $60.00 - Original price $60.00
Original price
$60.00
$60.00 - $60.00
Current price $60.00
Original price $39.00 - Original price $39.00
Original price
$39.00
$39.00 - $39.00
Current price $39.00

William Optics iOptron Skyguider Pro Dec Adapter

WO-M-IOPSG-SPM

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

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Original price $39.00 - Original price $39.00
Original price
$39.00
$39.00 - $39.00
Current price $39.00
Original price $91.00 - Original price $91.00
Original price
$91.00
$91.00 - $91.00
Current price $91.00

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...

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Original price $91.00 - Original price $91.00
Original price
$91.00
$91.00 - $91.00
Current price $91.00
Original price $58.00 - Original price $58.00
Original price
$58.00
$58.00 - $58.00
Current price $58.00

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...

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Original price $58.00 - Original price $58.00
Original price
$58.00
$58.00 - $58.00
Current price $58.00
Original price $116.00 - Original price $139.00
Original price
$116.00 - $139.00
$116.00 - $139.00
Current price $116.00

William Optics Losmandy Style Type D

Options available
2 variants in stock

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

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Original price $116.00 - Original price $139.00
Original price
$116.00 - $139.00
$116.00 - $139.00
Current price $116.00
Original price $229.00 - Original price $229.00
Original price
$229.00
$229.00 - $229.00
Current price $229.00

William Optics Low Latitude WO Vixen Style Base Mount

WO-YG-IO-SG01L

Useful for astronomers and astrophotographers working near the equator. Designed to fit Vixen-style dovetail mounts Description ...

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Original price $229.00 - Original price $229.00
Original price
$229.00
$229.00 - $229.00
Current price $229.00
Original price $15.00 - Original price $15.00
Original price
$15.00
$15.00 - $15.00
Current price $15.00

William Optics M48 Female to M42 Male Adapter

WO-YE-M48-42
4 in stock

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

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Original price $15.00 - Original price $15.00
Original price
$15.00
$15.00 - $15.00
Current price $15.00
Original price $39.00 - Original price $39.00
Original price
$39.00
$39.00 - $39.00
Current price $39.00

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

WO-WD-DIG2A
1 in stock

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

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Original price $39.00 - Original price $39.00
Original price
$39.00
$39.00 - $39.00
Current price $39.00
Original price $48.00 - Original price $48.00
Original price
$48.00
$48.00 - $48.00
Current price $48.00

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...

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Original price $48.00 - Original price $48.00
Original price
$48.00
$48.00 - $48.00
Current price $48.00
Original price $64.00 - Original price $64.00
Original price
$64.00
$64.00 - $64.00
Current price $64.00

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...

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Original price $64.00 - Original price $64.00
Original price
$64.00
$64.00 - $64.00
Current price $64.00
Original price $45.00 - Original price $45.00
Original price
$45.00
$45.00 - $45.00
Current price $45.00

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...

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Original price $45.00 - Original price $45.00
Original price
$45.00
$45.00 - $45.00
Current price $45.00
Original price $988.00 - Original price $988.00
Original price
$988.00
$988.00 - $988.00
Current price $988.00

William Optics MiniCat 51 WIFD f/3.5

WO-T-C-MINI-RD
5 in stock

The MiniCat51 is a versatile and powerful option for astrophotography enthusiasts, offering superior optics in a sleek, portable design. Its WIFD ...

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Original price $988.00 - Original price $988.00
Original price
$988.00
$988.00 - $988.00
Current price $988.00
Original price $90.00 - Original price $90.00
Original price
$90.00
$90.00 - $90.00
Current price $90.00

William Optics Mortar Pier Head Adapter - 3/8" Screw Mount

WO-YG-38-MTAD-BL

Designed to fit a 3/8" threaded pier. Universal 3/8" thread Limited lifetime warranty Description Warranty The William Optics M...

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Original price $90.00 - Original price $90.00
Original price
$90.00
$90.00 - $90.00
Current price $90.00
Original price $761.00 - Original price $761.00
Original price
$761.00
$761.00 - $761.00
Current price $761.00

William Optics Mortar Tri-Pier w/ Bag - Discontinued

WO-YG-MT1000BR

Pier System designed for telescopes and instruments Offers high stability and adjustability Description In the Box Warranty The...

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Original price $761.00 - Original price $761.00
Original price
$761.00
$761.00 - $761.00
Current price $761.00
Sold out
Original price $178.00 - Original price $178.00
Original price
$178.00
$178.00 - $178.00
Current price $178.00

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...

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Original price $178.00 - Original price $178.00
Original price
$178.00
$178.00 - $178.00
Current price $178.00
Original price $30.62 - Original price $38.00
Original price
$30.62 - $38.00
$30.62 - $38.00
Current price $30.62

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...

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Original price $30.62 - Original price $38.00
Original price
$30.62 - $38.00
$30.62 - $38.00
Current price $30.62
Original price $798.00 - Original price $798.00
Original price
$798.00
$798.00 - $798.00
Current price $798.00

William Optics Pier Mount 90

WO-YG-PM-90R+YG-38-PM90AD-BL

Comes with 3/8" head for ZWO mounts Weight: approx. 7 kg Loading Capacity:90 kg / 198 lbs HeightStance: 89.3 cm Closed: 79.3 cm Foot Adjustable Hei...

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Original price $798.00 - Original price $798.00
Original price
$798.00
$798.00 - $798.00
Current price $798.00
Original price $4,198.00 - Original price $4,198.00
Original price
$4,198.00
$4,198.00 - $4,198.00
Current price $4,198.00

William Optics Pleiades 111 Astrograph F/4.8 7-element WIFD

WO-T-P-111BU

7-Element APO Refractor Design F/4.8 Fast Focal Ratio Wide Image Field Design (WIFD) Portable and Versatile Description Specifications I...

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Original price $4,198.00 - Original price $4,198.00
Original price
$4,198.00
$4,198.00 - $4,198.00
Current price $4,198.00
Original price $19,998.00 - Original price $19,998.00
Original price
$19,998.00
$19,998.00 - $19,998.00
Current price $19,998.00

William Optics Pleiades 181 Astrograph F/5.5 7-element with 3 ED glasses

WO-T-P-181RD

7-Element APO with 3 ED Glasses Refractor Design F/5.5 Fast Focal Ratio Portable and Versatile Description Specifications In the Box ...

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Original price $19,998.00 - Original price $19,998.00
Original price
$19,998.00
$19,998.00 - $19,998.00
Current price $19,998.00
Original price $2,198.00 - Original price $2,198.00
Original price
$2,198.00
$2,198.00 - $2,198.00
Current price $2,198.00

William Optics Pleiades 68 Astrograph F/3.8 7-Element WIFD

WO-T-P-68BU

7-Element APO Refractor Design F/3.8 Fast Focal Ratio WO Internal Focuser Design (WIFD) Portable and Versatile Description Specifications In th...

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Original price $2,198.00 - Original price $2,198.00
Original price
$2,198.00
$2,198.00 - $2,198.00
Current price $2,198.00
Original price $806.00 - Original price $806.00
Original price
$806.00
$806.00 - $806.00
Current price $806.00

William Optics RC Focuser w/ Optional 0.8x RC Reducer Flattener

Options available

Provides precise focusing for Ritchey-Chrétien telescopes Includes an optional 0.8x reducer flattener for improved image quality Description...

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Original price $806.00 - Original price $806.00
Original price
$806.00
$806.00 - $806.00
Current price $806.00