Auto Focus Lens Mount Adapter Ring Extension Tube

Features:
Lens mount adapter ring replacement for Canon EF/ EF-S series lenses to EOS-M cameras.
The lens mount adapter ring can increase compatible lens choices for your camera, very practical.
Supports automatic focus function, providing your with better shooting performance.
High precision contact points, stable signal transmission, and easy to install with the red dot.
With 1/4 inch screw hole at the bottom, can be installed on the tripod or other fixed bracket easily.