Features: Lens mount adapter compatible with Canon EF mount Lens, and compatible with Sony NEX Mount mirrorless cameras. With this lens adapter ring, you can use EF mount lens with your NEX Mount mirrorless digital camera. Chrome plated metal lens mount, precision-machining to ensure perfect mounting tightness and durability. Manual focus design help you to find the target quickly and accurately. Easy to install and flexible to use, the lens adapter is quite economical and practical.