This RICOH RIKENON P ZOOM lens is a versatile option for both Ricoh and Pentax PK cameras. With a maximum aperture of f/3.5-4.5 and a focal length range of 28-105mm, it is perfect for capturing a wide range of subjects. The exterior is made of aluminum and plastic, making it durable and lightweight. The lens features macro and close-up capabilities and is compatible with 72mm filters. Made in Japan in the 1980s, this unit comes with caps and has a weight of 16.6 oz. It is mounted on the Ricoh RK mount and has a focus type of zoom. The Rikenon P series is known for its high-quality optics and this lens is no exception.