This Tokina AF zoom lens set is a great addition to any camera kit. Its compatible with Pentax cameras and has a maximum aperture of f/5.6. The set includes a 75-300mm lens and a 35-70mm lens, both with a manual focus type and a 52mm compatible lens front and filter size. The exterior is crafted from durable aluminum, making it perfect for outdoor shoots. These lenses are high-quality and made in Japan by Tokina, a trusted name in camera accessories.