Sigma 500mm f/4.5 APO (Vintage)

Released in 1988, the Sigma 500mm f/4.5 APO is a high-performance telephoto lens designed for full-frame DSLR cameras. With advanced optics featuring 10 elements in 8 groups and a fast f/4.5 aperture, it delivers sharp, vibrant images ideal for wildlife and sports photography. Built with a sturdy metal barrel and rear focusing system, this discontinued classic remains a favorite among long-range shooters.