The SMC PENTAX FA 80-320mm f/4.5-5.6 Telephoto Zoom Lens is a high-quality lens designed for Pentax cameras, with a maximum aperture of f/4.5-5.6 and a focal length range of 80-320mm. Manufactured in the 1990s in Japan, this plastic exterior lens features zoom functionality for versatile shooting. With a 1-month manufacturer warranty, this lens is compatible with 58mm filters and is a reliable choice for photographers looking to expand their Pentax FA series collection with a top-notch telephoto zoom lens.