The Canon EF 100mm f/2.8L Macro IS USM is a professional macro lens known for its exceptional image quality and versatility. It features a fast f/2.8 aperture, 1:1 magnification for true macro shots, and built-in image stabilization for steady handheld shooting. The lens is equipped with a fast and accurate USM autofocus system, making it ideal for both macro and portrait photography. If well-maintained, it offers outstanding performance for capturing fine details.