<ul><li>High image quality with fantastic bokeh
  </li><li>Using four ED lens
  </li><li>Fast and quiet AF
  </li><li>Dust and weather resistant, capable of operating in environments as cold as -10°C
  </li><li>Has locking mechanism has been added to the A (Auto) and C positions to prevent unintended movements of the aperture dial.
</li></ul>