TANSO adapter ring for EOS Lens to M4/3 mount
Brand Name: TANSO
Model Number: For EOS-M4/3
color: black and silver
Packaging Details: high quality color box
Material: aluminium and brass
Features: 
1. Completely manual control, manual focus and manual exposure.
2. Allow Focusing to infinity.
3. No electrical connection
4. There is no ROM connection on the ring so diaphragm control of the lens is set manually.
5. Equipped with lock & stop pin.
6. Camera adapter has no lens element so it does not affect the optical performance.