Tight lens integration for smooth operation Designed for Canon 24-70mm f/2.8L II USM lens, the aperture group matches the lens in shape, size and interface. It installs and operates without affecting the overall performance or image quality of the lens. Suitable for daily shooting or professional work, it provides stable and reliable performance. Precise aperture control, excellent image quality The aperture group enables accurate aperture control by finely adjusting the opening and closing degree of the aperture blade. This helps achieve ideal exposure and depth of field across different shooting environments, while reducing optical issues such as aberration and distortion. It enhances image clarity and detail, contributing to consistently sharper photos. Cost-effective, durable and reliable As a new third party product, this aperture set offers the same features and effects as the original factory, but at a more affordable price. It is manufactured with high quality materials and processes to ensure high durability and reliability. It maintains a stable working state even in harsh environments and extends the service life of the lens. Use scenarios - Event photography and daily shoots where stable aperture control and reliable performance are essential - Landscape work requiring precise depth of field and reduced optical distortion - Studio or portrait sessions that demand consistent image quality and dependable operation through varied lighting conditions