Takahashi T-Mount EOS DX-S

Product Overview

The DX-S version of Takahashi's T-mount for Canon EOS bodies. It attaches an EOS camera to a Takahashi telescope so the telescope takes the place of a lens. Takahashi builds the EOS T-mount in more than one form — the DX-S here and the DX-60W — which differ on the telescope side.

Who It's For

This is a good match if you shoot with a Canon EOS body and your Takahashi train calls for the DX-S form rather than the DX-60W.

Key Features & Design

• Canon EOS bayonet: the camera side takes an EF/EF-S body directly.
• DX-S form: one of two EOS T-mounts Takahashi offers.
• Mechanical adapter only: no optical elements and no electronic communication.

Recommended Uses

Prime-focus astrophotography with a Canon EOS DSLR on a Takahashi refractor or astrograph.

Compatibility and Accessory Notes

The camera side is the Canon EOS bayonet, covering EF and EF-S bodies; EOS R mirrorless bodies need Canon's EF-to-RF adapter in addition. Takahashi does not publish the telescope-side thread or the optical length for the DX-S on this listing, and both matter for backfocus. Send us your telescope, corrector and camera and we will confirm the DX-S is the right one and work the spacing through with you.

Good to Know Before You Order

DX-S or DX-60W: two EOS T-mounts exist and they terminate differently on the telescope side. We stock both, and confirming which your train needs takes one message.

Mechanical only: no electrical contact, so the camera has no aperture or lens data. Shooting is in manual with the telescope as the lens, which is normal for prime-focus work.

Frequently Asked Questions

Is it difficult to set up?

No — the camera clicks onto it exactly as it would onto a lens.

Which cameras does it fit?

Canon EOS bodies with the EF/EF-S bayonet. EOS R bodies work with Canon's EF-to-RF adapter added.

Will autofocus work?

No — there is no electronic link. Focus is done at the telescope's focuser.

How is this different from the DX-60W?

The telescope side differs. Tell us what your train presents and we will confirm which one fits.

Bottom Line

The DX-S form of Takahashi's Canon EOS T-mount — worth a quick check against your train, since the DX-60W is its close sibling.