Vivitar Telephoto/Wide-Angle Twin Lens Set with MACRO for Canon EOS dSLR and 18-55mm Kit Lens Easy mount, Screw-On Telephoto and Super Wide-Angle lenses for Canon EF-S 18-55mm Enhance and Increase your Focal Range Both Lenses have 58mm rear threads, steel barrel construction, and work with Manual or Autofocus Includes MACRO Extender for Extreme Close-Up Photography