Modified from a used Canon FD Lens, now changed to EF mount. Can be used with any Canon DSLR with EF or EF-S mount. Manual focus only, fixed aperture at F4. The original aperture blades have been removed so lens keeps wide open. All metal construction, very smooth focus ring. No scratch on glass, no fungus, optical very clean. With rear caps, 55mm UV filter, built-in hood and a lens case. No front cap.