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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.

Adapters

Connect your gear with confidence using our wide selection of astronomy adapters. This collection includes all the essential adapters you need to seamlessly link telescopes, cameras, eyepieces, filters, and other accessories for both visual observation and astrophotography. Whether you're attaching a DSLR to a focuser, threading a filter wheel to a CMOS camera, or adapting between different thread sizes or mounting standards, our high-quality adapters ensure secure, precise connections. Built for compatibility and durability, these adapters make your setup more versatile and ready for any observing or imaging session.

Filters

$39.00 - $39.00
$39.00
$39.00 - $39.00
$39.00

William Optics 48mm T-Mount for Canon

WO-TM-CN-EOS-M48
5 in stock

Allows for simple installation Made with improved CNC for greater rigidity Description Compatible with Canon EOS-R mount mirrorless cameras....

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$39.00 - $39.00
$39.00
$39.00 - $39.00
$39.00
$68.00 - $68.00
$68.00
$68.00 - $68.00
$68.00

William Optics 48mm T-Mount for Canon EOS R Mirrorless

WO-TM-CN-EOSR-M48
3 in stock

High-precision M48 T-Mount Adapter For Canon EOS R mirrorless DSLR cameras Description The William Optics 48mm T-Mount for Canon ...

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$68.00 - $68.00
$68.00
$68.00 - $68.00
$68.00
$55.00 - $55.00
$55.00
$55.00 - $55.00
$55.00

William Optics 48mm T-Mount for Fuji FX - Black

WO-TM-FJ-X-M48
1 in stock

High-precision M48 T-Mount Adapter For Fuji FX series cameras Description The William Optics 48mm T-Mount for Pentax K is a high-...

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$55.00 - $55.00
$55.00
$55.00 - $55.00
$55.00
$39.00 - $39.00
$39.00
$39.00 - $39.00
$39.00

William Optics 48mm T-Mount for Nikon F

WO-TM-NK-F-M48
2 in stock

48mm T-Mount designed for Nikon F-mount cameras Ensures a secure and precise connection between your camera and tel...

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$39.00 - $39.00
$39.00
$39.00 - $39.00
$39.00
$68.00 - $68.00
$68.00
$68.00 - $68.00
$68.00

William Optics 48mm T-Mount for Nikon Z

WO-TM-NK-Z-M48
1 in stock

High-precision M48 T-Mount Adapter For Canon EOS R mirrorless DSLR cameras Description The William Optics 48mm T-Mount for Canon ...

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$68.00 - $68.00
$68.00
$68.00 - $68.00
$68.00
$39.00 - $39.00
$39.00
$39.00 - $39.00
$39.00

William Optics 48mm T-Mount for Pentax K - Black

WO-TM-PT-K-M48
1 in stock

High-precision M48 T-Mount Adapter For Pentax K series cameras Description The William Optics 48mm T-Mount for Pentax K is a high...

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$39.00 - $39.00
$39.00
$39.00 - $39.00
$39.00
$55.00 - $55.00
$55.00
$55.00 - $55.00
$55.00

William Optics 48mm T-Mount for Sony E - Black

WO-TM-SN-E-M48
3 in stock

48mm T-Mount designed specifically for Sony E-mount cameras Allows seamless connection between your Sony E-mount ca...

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$55.00 - $55.00
$55.00
$55.00 - $55.00
$55.00
$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
$60.00 - $60.00
$60.00
$60.00 - $60.00
$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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$60.00 - $60.00
$60.00
$60.00 - $60.00
$60.00
$58.00 - $58.00
$58.00
$58.00 - $58.00
$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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$58.00 - $58.00
$58.00
$58.00 - $58.00
$58.00
$15.00 - $15.00
$15.00
$15.00 - $15.00
$15.00

William Optics M48 Female to M42 Male Adapter

WO-YE-M48-42
2 in stock

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

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$15.00 - $15.00
$15.00
$15.00 - $15.00
$15.00
$39.00 - $39.00
$39.00
$39.00 - $39.00
$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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$39.00 - $39.00
$39.00
$39.00 - $39.00
$39.00
$48.00 - $48.00
$48.00
$48.00 - $48.00
$48.00

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

WO-YE-M63F-2IN-PI

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

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$48.00 - $48.00
$48.00
$48.00 - $48.00
$48.00
$64.00 - $64.00
$64.00
$64.00 - $64.00
$64.00

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

WO-P-PAM-63-48

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

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$64.00 - $64.00
$64.00
$64.00 - $64.00
$64.00
$45.00 - $45.00
$45.00
$45.00 - $45.00
$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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$45.00 - $45.00
$45.00
$45.00 - $45.00
$45.00
$43.00 - $43.00
$43.00
$43.00 - $43.00
$43.00

William Optics SCT Connection for WO Diagonals - Gold

WO-D-SCT-TA-G

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

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$43.00 - $43.00
$43.00
$43.00 - $43.00
$43.00
$138.00 - $138.00
$138.00
$138.00 - $138.00
$138.00

William Optics STL Adapter for FLT Flattener

WO-P-STL

STL adapter designed for William Optics FLT flatteners Ensures a secure connection between your FLT flattener and S...

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$138.00 - $138.00
$138.00
$138.00 - $138.00
$138.00
$108.00 - $108.00
$108.00
$108.00 - $108.00
$108.00

William Optics Super High Precision COPPER T-Mount for Canon EOS Full Frame

WO-YE-TR-BR48-C
1 in stock

Super high precision T-Mount designed for Canon EOS full-frame cameras Constructed from durable copper for enhanced...

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$108.00 - $108.00
$108.00
$108.00 - $108.00
$108.00
$108.00 - $108.00
$108.00
$108.00 - $108.00
$108.00

William Optics Super High Precision COPPER T-Mount for Nikon Full Frame

WO-YE-TR-BR48-N

Super high precision T-Mount designed for Nikon full-frame cameras Constructed from durable copper for enhanced sta...

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$108.00 - $108.00
$108.00
$108.00 - $108.00
$108.00
$12.00 - $12.00
$12.00
$12.00 - $12.00
$12.00

ZWO Adapter - 2mm M54(M)/M48(F)

ZWO-M54M-M48F-2
9 in stock

Connects M54 Filter Wheels to M48 Cameras Adds Only 2 mm to Optical Path Maintains 55 mm Back Focus Standard Knurled Edge for Secure Grip Designed...

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$12.00 - $12.00
$12.00
$12.00 - $12.00
$12.00
$49.00 - $49.00
$49.00
$49.00 - $49.00
$49.00

ZWO EOS Lens Adapter for 2" EFW

ZWO-EFW2-EOS
1 in stock

Connects Canon EOS lenses to a ZWO 2" Electronic Filter Wheel M54x0.75 female thread for direct, secure attachment Enables filtered, wide-field as...

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$49.00 - $49.00
$49.00
$49.00 - $49.00
$49.00
$49.00 - $49.00
$49.00
$49.00 - $49.00
$49.00

ZWO EOS Lens Adapter for EFW

ZWO-EFW-EOS-II
1 in stock

Connects Canon EOS lenses to ZWO Electronic Filter Wheels (EFW) Engineered for ZWO cameras with 6.5mm back focus (e.g., ASI1600) Establishes the c...

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$49.00 - $49.00
$49.00
$49.00 - $49.00
$49.00