K&F Concept autofocus lens mount adapter
Shop the K&F CONCEPT EF to EOS R Auto Focus Adapter. Easily mount Canon EF/EF-S lenses to your Canon EOS R, RF, R3, R6 & R50 cameras.
K&F CONCEPT EF to EOS R Auto Focus Lens Mount Adapter
Seamlessly bridge the gap between your classic Canon EF/EF-S lenses and modern EOS R/RF mirrorless cameras with the K&F CONCEPT Auto Focus Lens Mount Adapter. Featuring robust metal electronic contacts for EXIF signal transmission and electronic aperture control, this high-precision adapter guarantees smooth photography performance while protecting your gear with durable stainless steel construction.
- Compatibility: Adapts Canon EF/EF-S lenses to Canon EOS R/RF mount cameras
- Focus Type: Fast and reliable Auto-Focus (optimized for photography)
- Smart Features: Full EXIF signal transmission & electronic aperture control
- Build Quality: Durable stainless steel shrapnel with precision metal contacts
Key Features
- Auto-Focus Functionality: Enjoy precise and quick auto-focus performance for all your photography needs, allowing you to capture fleeting moments without manual focusing delays.
- Electronic Aperture Control: Seamlessly adjust your lens aperture directly from your camera body dials thanks to the integrated, high-quality metal electronic contacts.
- EXIF Signal Transmission: Accurately records and transmits vital lens data (such as aperture, shutter speed, and focal length) straight to your camera’s EXIF files.
- High-Precision Build: Expertly crafted with a durable stainless steel shrapnel design, ensuring a secure, light-tight, and wobble-free fit between your lens and camera.
- Comprehensive Protection: Comes equipped with custom-fit front and rear protective covers to keep dust, moisture, and debris off the sensitive electronic contacts when not in use.
Compatibility & Best Use
- Lens Compatibility: Breathes new life into your existing glass collection by securely adapting a massive range of classic Canon EF and EF-S mount DSLR lenses.
- Camera Compatibility: Perfectly tailored for Canon’s modern mirrorless lineup, including the EOS R, R3, R6, R50, and other RF mount camera bodies.
- Photography Centric: Best utilized for portrait, landscape, sports, and studio photography where rapid auto-focus and seamless electronic communication are essential.
Installation Tips
- Mounting the Lens: Align the red (EF) or white (EF-S) dot on your lens with the corresponding alignment mark on the adapter, then twist clockwise until it clicks securely into place.
- Attaching to Camera: Align the adapter’s mounting mark with the red dot on your EOS R camera body mount, then twist to lock it in just like a native RF lens.
- Safe Removal: Always press and hold the dedicated lens release button on the adapter first to detach your lens safely, then use the camera’s release button to remove the adapter itself.
Product Specifications
| Brand Name | K&F CONCEPT |
|---|---|
| Model Number | EF to EOS R (Auto Focus) |
| Lens Compatibility | Canon EF / EF-S Lenses |
| Camera Compatibility | Canon EOS R / RF Mount Cameras |
| Focus Type | Auto Focus (Photo Only) |
| Smart Features | EXIF Transmission, Electronic Aperture Control |
| Material | Durable Stainless Steel Shrapnel / Metal Contacts |
| Certifications | CE |
Packing List
- 1 x K&F CONCEPT EF to EOS R Auto Focus Lens Adapter
- 1 x Front Protective Cover
- 1 x Rear Protective Cover
- 1 x User Manual & Documentation
Warnings & Safety Notes
- Video AF Limitation: Please note that the auto-focus function on this adapter is specifically optimized for still photography; it does not support continuous auto-focus during video recording.
- Never force a lens onto the adapter or the adapter onto the camera. If you feel excessive resistance, stop and realign the mounting marks to prevent permanently damaging the threads or electronic contacts.
- Keep the metal electronic contacts clean and free of fingerprints, oil, or dust. Gently wipe them with a clean microfiber cloth if communication errors occur between the lens and camera.
- Always turn your camera body OFF before attaching or detaching the lens adapter to protect the internal circuitry from static or short circuits.
