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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.

William Optics Adapters

William Optics adapters connect cameras, correctors and visual accessories to William Optics refractors and other telescopes. Camera adapters include 48mm T-mounts for Nikon Z, Fuji FX and Micro 4/3, and a high precision copper T-mount for full-frame Canon EOS bodies.

For the imaging train there are flattener adapters and extenders, a 4" extension tube for the FLT series, M48 to M42 adapters and an M48 push-in nosepiece. RotoLock visual backs cover 1.25", 2" and SCT connections.

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$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

Securely connects the Flat4 Field Flattener to the draw tube Designed for William Optics FLT 98, 110, 132, and 152 models Compatible with telescop...

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$64.00 - $64.00
$64.00
$64.00 - $64.00
$64.00
$43.00 - $43.00
$43.00
$43.00 - $43.00
$43.00

William Optics SCT Connection for WO Diagonals - Gold

WO-D-SCT-TA

Connects M50.8 Male to M48 Female Threads Adds 13.8 mm of Optical Length Female Thread: M50.8 Male Thread: M48 Signature William Optics Gold Anodi...

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$43.00 - $43.00
$43.00
$43.00 - $43.00
$43.00
William Optics 4" Extender for FLT Series
$68.00 - $68.00
$68.00
$68.00 - $68.00
$68.00

William Optics 4" Extender for FLT Series

WO-P-M92EX

Adds 67 mm of optical length to your imaging train Features M92 male and female threads for a secure connection Designed for William Optics FLT 11...

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$68.00 - $68.00
$68.00
$68.00 - $68.00
$68.00
William Optics M92 to M63 Adapter for William Optics FLT91
$88.00 - $88.00
$88.00
$88.00 - $88.00
$88.00

William Optics M92 to M63 Adapter for William Optics FLT91

WO-YE-M92-63

Connects William Optics FLT91 Telescope to Flat6AIII Flattener Input Thread: M92 Male Output Thread: M63 Female Optical Path Length: 10.5 mm De...

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$88.00 - $88.00
$88.00
$88.00 - $88.00
$88.00
William Optics 54mm Flattener Extender for GT81 WIFD
$68.00 - $68.00
$68.00
$68.00 - $68.00
$68.00

William Optics 54mm Flattener Extender for GT81 WIFD

WO-AD-M80-54-M48

Provides a precise 54mm of optical length Connects the FLAT68III flattener to M48 imaging trains Designed specifically for the William Optics Gran...

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$68.00 - $68.00
$68.00
$68.00 - $68.00
$68.00
William Optics 30mm Flattener Adapter
$58.00 - $58.00
$58.00
$58.00 - $58.00
$58.00

William Optics 30mm Flattener Adapter

WO-AD-M80TOM54

30mm Optical Length Connects M80 x 0.75 to M54 x 0.75 Threads For William Optics Flat68III & Flat7A Flatteners Description FAQ Specificatio...

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$58.00 - $58.00
$58.00
$58.00 - $58.00
$58.00