The Sigma 30mm F2.8 DN | A (M3/4) is standard length prime lens for Micro Four Thirds cameras. It has a focal length equivalent to a 60mm lens in the 35mm format while its minimum focus distance is 11.8″ (30 cm). It has an f/2.8 maximum aperture that makes it ideal for shallow depth of field imaging and allows it to maintain sharpness in low light situations. In addition to that, the Sigma 30mm F2.8 DN | A (M3/4) comes with an inner focusing system which means the lens does not extend when focusing and its newly developed linear autofocus motor is accurate and quiet. Lastly, the metal exterior of the Sigma 30mm F2.8 DN | A (M3/4) provides durability and handsome design.