This is a genuine Fujifilm M-mount adapter for FUJIFILM X-mount mirrorless cameras, allowing you to maximize the performance of M-mount lenses and enjoy the high image quality of various FUJIFILM X-mount cameras. Purchased new from a camera retailer, it is in near-mint condition, having been barely used. It features a "function button" for directly accessing the image quality correction registration menu and a "signal contact." ※ Included Accessories 　Rear cap (genuine) 　Front cap (third-party) 　Lens mounting check gauge 　Instruction manual ※ The warranty period has expired, but there are no functional issues. ※ The original box (cardboard box) will be folded and included.