This Quantaray lens offers a versatile focal length range of 70-300mm and a maximum aperture of f/4-5.6. It also features autofocus capability and a macro mode for close-up photography. The lens has a Pentax K mount and is compatible with 58mm filters. Made in Japan with a plastic exterior, this unit is in great working condition and ready to capture stunning images. Get the most out of your Pentax camera with the Quantaray 70-300mm lens.