Features: It can connect lenses and cameras for effective communication and data transmission. Made of quality materials, it has good durability and anti-interference performances. Carefully designed to perfectly fit the shape and connection interface of the lens for 70-200 F4, ensuring a perfect pair with the lens. It has flexibility and portability, and its length and constructions allow you to freely adjust the position of the lens and camera to adapt to different shooting angles and needs. It is the best choice for camera users, allowing you to better use the lens and obtain quality shooting results. Specifications: Material: FPC Flexible Cable Color: Yellow Size: Standard Size Applicable Model: for 70-200 F4 Package Includes: 1 Piece Lens Flexible Ribbon Cable note: Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution.