The SMC Pentax-F 24-50mm F4 lens is a standard zoom lens made by PENTAX in the 1980s. With a maximum aperture of f/4 and a focal length range of 24-50mm, this lens is designed for Pentax cameras. The lens features a plastic exterior and a 58mm front lens diameter. It is compatible with filters of the same size and comes with a manufacturer warranty of 3 months. Made in Japan, this lens is a reliable and high-quality option for capturing images with precision and clarity.