Enhance your photography skills with this Sears 2x Auto Tele Converter Lens 4E/MC designed for PENTAX K (PK) cameras. This vintage lens is a perfect addition to your collection, providing seamless telephoto capabilities. The lens is untested and being sold for parts, making it an ideal purchase for those who enjoy tinkering with vintage equipment. The lens is in good physical condition and comes with no caps. Take advantage of this opportunity to own a piece of photographic history.