The Pentax SMC DA 50-200mm f/4-5.6 ED Lens is a high-quality telephoto lens designed for Pentax cameras. With a maximum aperture of f/4.0-5.6 and a focal length range of 50-200mm, this lens allows for versatile shooting capabilities. It features both auto and zoom focus options, making it easy to capture a wide range of subjects from landscapes to portraits. Made in Japan, this lens is built to last and deliver exceptional image quality for all your photography needs.