This silver Sigma Art lens is perfect for Four Thirds cameras, with a maximum aperture of f/2.8 and the option to adjust to f/2.0-8.0. The lens has auto focus and a fixed/prime focus type, making it easy to capture the perfect shot. Its 30mm focal length and 46mm compatible filter size make it versatile for a variety of photography styles. The lens is compatible with a micro Four Thirds mount and has a Sigma brand name.