The Canon Control Ring Mount Adapter EF-EOS R is a mount adapter designed to attach any EF or EF-S mount lens to Canon’s EOS R system mirrorless cameras. This accessory maintains full electronic communication between the camera body and the lens, enabling autofocus, aperture control, and EXIF data transmission without any loss of optical quality.

Key Features

• Mount adapter for EF and EF-S lenses to EOS R (RF) camera bodies.
• Includes a customizable control ring for adjusting aperture, shutter speed, exposure compensation, or ISO.
• Maintains full electronic communication: autofocus, stabilization, and EXIF data.
• Robust metal construction with bayonet mounts on both sides.
• Compatible with all EF and EF-S lenses, including L-series and third-party lenses with Canon mount.

Ideal for

Photographers transitioning to the EOS R system who want to continue using their EF or EF-S lenses with full electronic functionality. It is also useful for those seeking more tactile exposure control via the control ring, without needing to change lenses.

Condition

Second-hand product inspected by Camera Market. Includes standard 6-month warranty and 24-48h shipping from Barcelona.