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NEEWER? Metal Electronic Auto Focus Lens Mount Adapter for Canon EOS EF/EFS lens to EOS M (EF-M)

This lens adapter is specially designed for existing EOS EF lens to EOS M cameras With electronic pins permitting auto focusing
Electronic auto focus Focus infinitely high-tech treatment on the contact pinspermitting perfect signal transmitting between lens and camera
Support the existing function of the lens
Improved lock button designNo problem of light leaking
Material Metal aluminum bodybronze made bayonet mount