This is a mount adapter for attaching Canon EF lenses to Sony E-mount bodies. It is a mount adapter that allows you to connect Canon EF to E-mount Mark IV lenses to E-mount cameras. - Brand: Metabones - Model: Canon EF to E-mount Mark IV - Type: Mount Adapter - Accessories: Case Thank you for viewing. Please check the product's compatible models and uses, and review the images. Please understand that this item is sold as-is, and no returns or refunds are accepted. Please refrain from bidding if you are overly concerned about minor details. We strive for prompt, courteous, and pleasant transactions. Thank you for your cooperation until the end of the sale. *Please note that this item is also listed on other sites, so it may be out of stock. Thank you for your understanding.