This teleconverter is designed for use with Exakta cameras and is compatible with Fujica cameras. It has a maximum aperture of f/3.3-4 and a fixed prime focal length of 80mm. The FUJICA SINGLE-8 Z600 XI.66 Tele converter is a standard type of lens that can be used for a variety of photographic purposes. This lens is in good working condition and comes with a case.            EXTRA PERCENT OFF, LOOK FOR THE SALE