The Sony AF Macro 50mm f/2.8 Lens is a high-quality lens designed for Sony and Minolta A Mount cameras. With a maximum aperture of f/2.8, this lens is ideal for capturing crisp and detailed macro shots. Made in the 2000s in Japan, this lens features a durable plastic exterior and a 55mm front filter size. The lens is part of the SAL50M28 series by Sony, known for its auto focus and close-up capabilities, making it a great addition to any photographer's gear collection.