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T-Rings, Adapters & Spacers

T-rings, spacers, extensions and thread adapters for building an imaging train — camera bayonets to T2, M42, M48, M54 and M68, plus the back-focus spacers that make the numbers work. Goods ship factory-sealed. Tell us your camera, flattener and filter setup and we'll work out the spacing with you before you order.

266 products

Showing 49 - 72 of 266 products

Showing 49 - 72 of 266 products
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Adapter from M56 to M54 with stop ring for ESATTO 2"
Primaluce Lab Adapter from M56 to M54 with stop ring for ESATTO 2"
$134.99 CAD
Adapter from M56 to M48 with stop ring for ESATTO 2"
Primaluce Lab Adapter from M56 to M48 with stop ring for ESATTO 2"
$134.99 CAD
Adapter from M56 to T2 with stop ring for ESATTO 2"
Primaluce Lab Adapter from M56 to T2 with stop ring for ESATTO 2"
$134.99 CAD
src:https://takahashius.com/media/catalog/product/s/c/screenshot_2026-08-26_at_2.57.07_pm.pngsrc:https://takahashius.com/media/catalog/product/s/c/screenshot_2026-08-26_at_2.57.07_pm.png
Takahashi Takahashi FSQ-130ED Aux Ring 27.5mm
$134.00 CAD
STL to StarChaser AdaptersSTL to StarChaser Adapters
Diffraction Limited STL to StarChaser Adapters
$133.65 CAD
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Takahashi CCA-250 98mm EXT AUX ring M98 extension for camera rotator trainsrc:https://takahashius.com/media/catalog/product/t/k/tka86596_3.jpg
Takahashi Takahashi CCA-250 98mm EXT AUX Ring
$130.00 CAD
Adapter from M56 to SC with stop ring for ESATTO 2"
Primaluce Lab Adapter from M56 to SC with stop ring for ESATTO 2"
$129.99 CAD
SESTO SENSO 2 37mm adapter
Primaluce Lab SESTO SENSO 2 37mm adapter
$129.20 CAD
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Baader 2" Four-in-One Adapter M68 (Zeiss) / 2.7" (A.P.) / M60 (Vixen) / M56 (Synta)
Baader Planetarium Baader 2" Four-in-One Adapter M68 (Zeiss) / 2.7" (A.P.) / M60 (Vixen) / M56 (Synta)
$129.00 CAD
Takahashi CCA-250 98mm spacer ring 32.5mm light path M98 thread extensionsrc:https://takahashius.com/media/catalog/product/t/a/takahashi-m98-extension-tube-32-5mm-tkp86002-astronomy-plus-1.jpg
Takahashi Takahashi CCA-250 98mm Spacer Ring 32.5mm
$127.00 CAD
Takahashi 1.25 inch compression ring eyepiece adapter 29mm light path M36.5 threadsrc:https://takahashius.com/media/catalog/product/t/o/toa0200_2_6.jpg
Takahashi Takahashi 1.25" Compression Ring Eyepiece Adapter 29mm
$126.00 CAD
Adapter for GSO RC 10'', 12'', 14'', 16''' for Prodigy Microfocuser
Pegasus Astro Adapter for GSO RC 10'', 12'', 14'', 16''' for Prodigy Microfocuser
$126.00 CAD
Ontario Telescope and Accessories Adapter from M81 to M68 female for ESATTO 3" and ARCO 3"
$125.00 CAD
William Optics M92 to M63 adapter for flattener and reducer compatibility
William Optics William Optics M92 to M63 Adapter
$121.00 CAD
Nosepiece – Eyepiece Barrel StyleNosepiece – Eyepiece Barrel Style
Diffraction Limited Nosepiece – Eyepiece Barrel Style
$120.15 CAD
Baader VariLock 29, lockable T-2 ExtensionTube 20-29mm with spanner tool T-25YBaader VariLock 29, lockable T-2 ExtensionTube 20-29mm with spanner tool T-25Y
Baader Planetarium Baader VariLock 29, lockable T-2 ExtensionTube 20-29mm with spanner tool T-25Y
$115.49 CAD
2 inch Rotolock M63 for Gran Turismo 71 Red2 inch Rotolock M63 for Gran Turismo 71 Red
William Optics 2 inch Rotolock M63 for Gran Turismo 71 Red
$114.99 CAD
2 inch Rotolock M63 for Gran Turismo 71 Gold2 inch Rotolock M63 for Gran Turismo 71 Gold
William Optics 2 inch Rotolock M63 for Gran Turismo 71 Gold
$114.99 CAD
2 inch Rotolock M54 for Zenithstar 61Gold2 inch Rotolock M54 for Zenithstar 61Gold
William Optics 2 inch Rotolock M54 for Zenithstar 61Gold
$114.99 CAD
2 inch Rotolock M54 for Zenithstar 61RED2 inch Rotolock M54 for Zenithstar 61RED
William Optics 2 inch Rotolock M54 for Zenithstar 61RED
$114.99 CAD
2 inch Rotolock M54 for Zenithstar 61Blue2 inch Rotolock M54 for Zenithstar 61Blue
Ontario Telescope and Accessories 2 inch Rotolock M54 for Zenithstar 61Blue
$114.99 CAD
Takahashi CA35 DSLR wide mount camera adapter for TOA-130 TSA and FC/FS telescopes
Takahashi Takahashi TOA-130/TSA DSLR Wide Mount Camera Adapter
$113.00 CAD
Adapter ESATTO 2" for GSO/Orion/TPO Ritchey-Chretien 6 and 8 inches
Primaluce Lab Adapter ESATTO 2" for GSO/Orion/TPO Ritchey-Chretien 6 and 8 inches
$112.99 CAD
Takahashi Sky-90 short 2 inch adapter 25mm light path clamp for eyepieces and cameras
Takahashi Takahashi Sky-90 Short 2" Adapter 25mm
$110.00 CAD