Completely manual control, manual focus and manual exposure.
Focus to Infinity.
No electrical connection.
There is no ROM connection on the ring so diaphragm control of the lens is set manually.
Equipped with lock & stop pin.
Made of brass and aluminum with High Quality.
All CCTV C Movie Mount Lenses
All Pentax Q Camera
C Movie Mount lens to Pentax Q Adapter Ring x1
Original manufactory package