Feature: 1. Realize the information sharing between the camera and the lens. The camera's aperture, shutter speed and ISO can be controlled through the body to adjust the depth of field, exposure, etc. Support video AF over focus, fast and accurate auto focus. 2. Built‑in software function can record the attribute information and shooting data of the digital photo. After installation, it supports the for Sony body to view the aperture, shutter, exposure compensation and other information. 3. Inner wall is flocked and matted, and the matting is more obvious and effective. The front and rear bayonet are made of metal, and the surface is electroplated, which is sturdy and durable, and does not damage the camera bayonet. 4. Automatically detect and track the eyes of moving objects, facilitating flexible composition, high practicability, and faster focusing. 5. Built‑in metal electronic contacts and data chip solve the problem of image blur caused by shaking when holding. 6. The body can be adjusted to control the lens aperture, and the convenience of use is greatly improved. Specification: .Item Type: Lens Mount Adapter Ring Material: Aluminum Alloy Color: Black Weight: Approx. 203g / 7.2oz Compatible Lens: For Canon EF/EF-S Series Lens Compatible Cameras: For Nikon Z Mount Cameras, Such As for Nikon Z6/Z7 Z50 Focus Mode: Ultra-High-Speed Auto-Focus Firmware Upgrade: USB Firmware Upgrade Features: EXLF Parameter Transmission, Built-in Image Stabilization Function Package List: 1 x Adapter Ring2 x Lens Cap1 x Wipe Cloth1 x Manual Note: 1. Install the mount adapter ring to the lens and switch the setting from MF mode to AF mode. If auto focus cannot be performed, please restart the camera.2. Connecting this adapter ring to the lens will not affect the performance of the lens.3. Please use the switch on the lens to set the lens function. If the setting in the camera menu is different from the setting on the lens, the setting on the lens shall prevail.4. When the lens you are using is heavier than the camera, be sure to hold the lens when moving the camera and shooting.5: Since the minimum focusing distance of the lens will increase when this adapter ring is connected, the maximum magnification and field of view may change.