K&F Concept Autofocus Adapter EF-NEX Functions: This adapter allows you to mount Canon EF mount lenses on Sony E-mount camera bodies (such as the NEX series) and utilize the autofocus function. Uses: Convenient for those who want to use their Canon EF lens collection with Sony E-mount cameras. Features: Supports autofocus, allowing you to use EF lenses without sacrificing their convenience. The condition is good, with no noticeable scratches or damage. This is based on my subjective assessment, so please refrain from purchasing if you are concerned about the condition. Please understand the above contents before purchasing.