HSM ensures quiet and high speed AF capability</br>With a faster aperture than the typical camera "kit lens" it is an excellent choice for the photographer who has higher expectations for their photo</br>Minimum Focusing Distance :11.8 Inch, Focal Length: 30 mm</br></br>Product Description</br></br>30mm f2.8 DN F/MFT</br><br/>http://www.amazon.com/gp/product/B00BQXL6OY