Expand the reach of your Canon FD lens with the Tamron MC Tele Converter 2X. This manual teleconverter allows for a maximum aperture of f/3.5 and a focal length range of 35-135mm, providing greater versatility in your photography. The adapter is compatible with Tamron's Adaptall 2 mount and features a 67mm front thread, making it easy to attach to your lens. This listing includes a leather carry bag and an instruction manual, ensuring easy transportation and setup of your new teleconverter. Perfect for photographers looking to enhance their Canon FD lens capabilities, the Tamron MC Tele Converter 2X is a must-have accessory.