XPimage Double Lock Adapter for Leica M Lens to Leica L Mount Lumix S5II Camera
Lens: VM Zeiss ZM Leica LM. Align the two red dots on the lens and Adapter. Insert the lens, Rotate the lens to the right, it will 'clack'. Rotate the 'Lens locking Ring' to 'Lock' direction. The Lens will be Locked and no gap, no shaking.