Commlite CM-EF-NZ Electronic AF Lens Mount Adapter from EF/EF-S Lens to Nikon Z-Mount Mirrorless Camera Thanks for purchasing Commlite electronic lens mount adapter EF-NZ. Before usage of the adapter, please ensure the adapter is compatible with your camera and lens. In order to avoid the damage of product caused by incorrect use, please read the user manual carefully. Main Features:1. Built-in USB Port for Compatibility Upgrade2. Support EXIF INFO. Transmitting3. Support AF Function4. Support Electronic Aperture Control5. Support IS Stabilizer Function6. Gold-plating Contacting Pins and Detachable 1/4 Tripod Foot7. Made of Aluminum Alloy, Powerful and Stable Notice1. This adapter is built-in with USB firmware upgrade port, please pay attention to Commlite website (www.commlite.com) to learn the update information in the first place;2. After installing EF-NZ adapter, please set the lens to AF mode if the AF function is required;3. Please hold your camera tightly during your moving shooting when your lens is heavier than the camera;4. For some incompatible camera and lens, one can try to use the adapter as the manual adapter; During the usage, while it shows prompt like "Incorrect installation of lens" please set the menu mode to \Release Shutter without Lens\ or \Shutter Priority\ Specification:Compatible Lens: EF/EF-S Series Lens (For specific compatible lens models, please enter the official website to view the compatibility table)Compatible Camera: Z-Mount Camera (For specific compatible camera models, please enter the official website to view the compatibility table)Front Installation: EF/EF-S Series LensRear Installation: Z-Mount CameraCamera-Mount Outer Diameter: 67.5mmLens-Mount Outer Diameter: 69.5mmLength: 34mmThe current tested compatibility: See Commlite official information