A new LM-CR ME adapter with Helicoid EXIF/focus support has been released (for Leica M-mount lenses on Canon RF cameras). You can purchase it on eBay for $249. Additional information:
The SHOTEN LM-CR ME is a mount conversion adapter that allows Leica M-mount lenses to be used with Canon RF-mount mirrorless cameras. It features electronic contacts that support EXIF recording and focus guides, transmitting various information to the camera (AF is not supported). Furthermore, a 4mm helicoid extension shortens the lens’s minimum focusing distance, allowing you to get closer to your subject.
Features:
- Equipped with a 4mm extension helicoid, it shortens the lens’s minimum focusing distance.
- Compatible with camera focus guides, supporting faster and more accurate focusing.
- Ten types of lens information (focal length/maximum aperture value) can be recorded in the EXIF information.
- Built-in lens data (lens name/focal length/maximum aperture) can be edited on a PC, and up to 10 lenses can be registered.
- Equipped with an infinity lock function to prevent accidental operation of the helicoid.
| Compatible lens mounts | Leica M | Compatible camera mounts | Canon RF |
|---|---|---|---|
| function | With helicoid | Feed amount | Approximately 4mm |
| Features | Mount conversion, EXIF/focus guide support | Size/Weight | Approx. Φ66 x 9mm (excluding mount and protrusions) / Approx. 97g |
