High Adaptability: The lens converter can make the M39 mount lens compatible with Z Mount camera system, including for Z6 Z7 Z50 Z 5 Z6II Z7II Zfc Z9 Z30 and other cameras. Exquisite Workmanship: The product is made of aluminum alloy, anodic oxidation process, exquisite workmanship, solid. Perfect Fit: The product is perfectly fitted to the camera and lens at the bayonet, tightly combined, easy to install and remove. Practicality: Increased versatility and options for photographers, can help photographers take a variety of different effects of photos and videos. Multifunction: Support full manual control, manual focus, manual exposure, aperture priority, matte paint, can focus at infinity.