SMC Pentax F 28mm f/2.8 Wide Angle AF Lens. Rare early model manufactured in the 1980s. It is a high-quality lens designed for Pentax cameras, known for its excellent maximum aperture of f/2.8 and wide-angle focal length of 28mm. The lens features both auto and manual focus options, making it versatile for various photography needs. Made with durable plastic exterior materials, this lens is compatible with a 49mm front lens filter, and is a valuable addition to any photographer's collection.