- Description
- Specifications

Product Overview
The SVBONY SV195 is a T-ring that connects a T2 (M42×0.75) thread to a Canon EF-mount camera. It fits Canon EOS and Rebel SLR and DSLR bodies and allows infinity focus to be kept. The body is CNC-machined aluminium with a black anodised finish, and the inner ring can be rotated with three side screws so you can square the camera to your framing. A small Allen wrench is included. It weighs 44.7 g.

Who It's For
This is a good match if you shoot with a Canon EF-mount SLR or DSLR and want to attach it to a telescope or other optic that ends in a T2 thread.
Key Features & Design
- T2 (M42×0.75) thread on the telescope side; Canon EF mount on the camera side.
- Adjustable inner ring: three side screws let you rotate the camera orientation, then lock it again.
- Keeps infinity focus.
- CNC aluminium, black anodised.


Recommended Uses
- Prime-focus astrophotography with a Canon DSLR.
- Connecting T2 flatteners, reducers and T-adapters to a Canon body.
- Terrestrial and digiscoping use through T2-threaded adapters.
Compatibility and Accessory Notes
- Cameras: Canon EOS and Rebel SLR/DSLR bodies. SVBONY states it does not fit mirrorless cameras.
- Telescope side: T2 / M42×0.75. SVBONY also makes an M48×0.75 version of the SV195; each order contains one size.
- Orientation: loosen the three side screws with the supplied wrench, rotate the inner ring, and refasten.


What's in the Box
- SV195 T2 to Canon EF T-ring
- Small Allen wrench
Good to Know Before You Order
- Mechanical adapter only: no electrical connection, so aperture and focus are set manually.
- DSLR and SLR bodies: for Canon mirrorless (RF) bodies, an EF-to-RF adapter goes between the camera and this T-ring.
- Optical length: SVBONY does not publish one; send us your train and we will help total the spacing.
Frequently Asked Questions
Is it difficult to set up?
No. Thread it onto your T2 adapter and mount the camera on it like a lens. To change orientation, loosen the three side screws, rotate, and tighten again.
Does it fit Canon mirrorless cameras?
Not directly; SVBONY lists it for EOS and Rebel SLR/DSLR bodies.
Is this the M42 or M48 version?
This listing is the M42×0.75 (T2) version.
Bottom Line
In short: a CNC aluminium T2 to Canon EF T-ring with an adjustable inner ring, for connecting a Canon EOS or Rebel DSLR to a telescope's T2 imaging train.
| Model | SV195 |
|---|---|
| Size | M42×0.75 (T2) |
| Male thread | Canon EF-mount |
| Compatible cameras | Canon EOS and Rebel SLR/DSLR (not mirrorless) |
| Color | Black |
| Material | Metal aluminum, CNC machined, black anodized |
| Connection | Mechanical only, no electrical connection |
| Included | Small Allen wrench |
| Net weight | 44.7 g |
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