Optics very good no signs of fungus or dust, scratch and mark free. The Canon EF 100mm F/2.8 USM Lens in Superb Condition is a high-quality macro/close-up lens designed for Canon EF mount cameras. With a fixed focal length of 100mm and a maximum aperture of f/2.8, this lens is ideal for capturing detailed close-up images. It offers both auto and manual focus options, making it versatile for different shooting styles. Weighing 600g, it is lightweight and easy to handle, perfect for longer shooting sessions. Overall, this Canon lens is a great addition to any photographer's kit for capturing stunning close-up shots.