Introducing the Sirius MC Auto Zoom 1:4.0-5.6 70-210mm lens, compatible with Pentax cameras. This lens offers a maximum aperture of f/4.0-5.6 and a focal length range of 70-210mm, making it perfect for capturing a wide range of subjects. The lens is designed with manual focus and is compatible with 52mm filters.

This lens is an ideal option for Pentax users looking to expand their photography skills and capture stunning photos. With the Sirius brand's reputation for quality, this lens is a reliable choice for any photography enthusiast.