The Selective Macro Superstar. This extremely fast, short telephoto macro lens can capture the smallest details with maximum precision. Features a completely new optical design which incorporates floating lens elements to ensure distortion-free, maximum imaging performance throughout the focusing range. As a result, this lens is well-suited for macro photography and is also a superb portrait lens. An extremely wide and smooth focusing rotation provides superior control and the fast f/2.0 aperture allows for a short depth of field to draw attention to the subject.