Venus 60mm F/2.8 Ultra Macro Lens is the world's first 2:1 macro lens with infinity focus.  Yes, 2:1 i.e. 2X magnification. Native 2:1 magnification, all built-in - you don't have to add any accessories like extension tubes, teleconverter or Raynox diopter lens! All without losing the infinity focus too! And since you don't have to add tubes, you won't lose the ability to focus to infinity,