The Tokina FiRIN 100mm F2.8 FE MACRO is a versatile mid-range auto-focus telephoto lens with excellent close focusing capabilities reaching life-sized (1:1) reproduction at 11.8 inches (30cm) from the sensor plane. Engineered for Sony full-frame E-mount mirrorless cameras the lens transmits all necessary data to take full advantage of Sony's in camera features including 5-axis image stabilization, MF assist functions, auto image enlargement, focus peaking, and electronic distance bar. At (1:1) reproduction, the lens provides a very comfortable 4.5 inches of working distance between the front of the lens and your subject. The fast f/2.8 aperture makes it easy to focus in low light and renders soft beautiful bokeh. Making it an excellent choice for portraits, landscapes, video, and small world photography. The Tokina FiRIN 100mm F2.8 FE MACRO is a "flat-field" optical design that suppresses the field-of-view curvature to zero. This means the lens yields excellent edge-to-edge sharpness at all focus distances and apertures. The lens' multi-coatings render natural color with extremely low light falloff, perfectly controlled chromatic aberration, flare and ghosting.