The Kenko C/AF Cameron 2X MC7 Tele-Converter is a high-quality lens designed for Canon EF cameras. Made in Japan, this teleconverter offers a maximum aperture of f/1 and a focal length of 2x. It is compatible with Canon cameras and features manual focus for precise control over your images. With its sturdy C mount and advanced technology, this Kenko teleconverter is a reliable and versatile option for photographers looking to enhance their Canon EF series lenses.