The new lens is a 50mm f/2.8 macro, with a 1:1 magnification ratio. It's designed for macro use, but with an effective focal length of 75mm, it can also pull double duty as a short portrait lens, or a moderate telephoto. As for the more technical information, it has a nine aperture blades, capable of a minimum aperture of f/22. The lens is comprised of 14 elements in 11 groups, including two aspherical and two low dispersion elements. It has a minimum focusing distance of 6 inches (15cm), allowing you to get up close and personal.