The SOLIGOR AUTO ZOOM 55-135mm F:3.5 LENS is a high-quality zoom lens designed for Pentax cameras, featuring a maximum aperture of F 3.5 and manual focus capabilities. With a focal length range of 55-135mm, this lens is versatile and suitable for a variety of photography needs. The Soligor brand is known for producing reliable and well-crafted optics, making this lens a solid choice for photographers looking to expand their gear with a dependable telephoto zoom lens.