Quick Summary
The EF-R2 Auto Focus Lens Adapter Mount is for Canon EF and EF-S lenses on Canon EOS R, R5, R6 and RP cameras. It includes a customised control ring and is described as supporting auto focus, aperture adjustment, EXIF signal transmission and lens image stabilisation when the lens itself has IS.
Who It Is Best For
This adapter is for Canon EOS R series users who want to use EF and EF-S lenses they already own, while keeping access to practical camera controls through the adapter ring. It may suit photographers who want a wider lens group available to their mirrorless body without changing their existing lens collection.
What To Know Before You Buy
The control ring can be customised, with functions such as aperture, shutter speed, ISO sensitivity and exposure compensation assigned to it. The adapter is described as using a precision metal structure with pure copper electrical contacts and an aluminium adjustment ring.
Pros: Supports a broad range of Canon EF and EF-S lenses and includes a customisable control ring.
Cons: Compatibility and image stabilisation depend on the specific lens and camera combination, so check the selected setup before ordering.
Common Buyer Questions
Will this work with Canon EF and EF-S lenses?
Yes, it is described as compatible with Canon EF and EF-S lenses.
Does it support auto focus?
Yes, auto focus support is listed as one of the key functions.
Can I use the control ring for different settings?
Yes, the control ring can be customised for functions such as aperture, shutter speed, ISO sensitivity and exposure compensation.
Does it support image stabilisation?
It supports IS lens image stabilisation function when the lens itself has IS image stabilisation.
Is there a way to update compatibility?
Yes, it includes a built in USB port for compatibility upgrading.
Key Details
| Detail | What it means in use |
|---|---|
| Product type | Lens adapter mount |
| Model | EF-R2 |
| Lens compatibility | Canon EF and EF-S lenses |
| Camera compatibility | Canon EOS R, R5, R6 and RP cameras |
| Control ring | Customisable for selected camera functions |
| Supported functions | Auto focus, aperture adjustment, EXIF signal transmission and IS lens image stabilisation support |
| Upgrading | Built in USB port for compatibility upgrading |
Final Buying View
The EF-R2 is a practical choice if you want to use Canon EF and EF-S lenses on a Canon EOS R series camera and keep useful control options through the adapter. Its customisable ring and support for core camera functions make it a capable option for everyday lens use. If the lens and body combination matters to your workflow, check compatibility carefully before you order.





