Nikon AI Lens to Canon EOS Lens Mount Stepping Ring with Chip

1) This Camera Adapter Ring is used to attach the speedlight to the lens front via adapter ring

2) This Camera Adapter Ring allows lens become a Marco lens on camera body

3) The adapter step up ring has impact resistance

4) It enables lens auto-diaphragm control

5) You can use this Nikon AI Adapter Ring to mount screw-mount lenses with your Canon EOS cameras

6) Material: Copper Chrome

7) With focus prompted chips greatly increased the success rate of manual focus

8) Size: 65x65x9mm