When seeking the pinnacle of mid-telephoto lens performance for Micro Four Thirds cameras, the Sigma 56mm f/1.4 Dc Dn Contemporary Lens stands out as the smallest and most refined option in its class. Engineered with Sigma's cutting-edge technology, this lens delivers the exquisite bokeh and luminous brightness that photographers expect from a prime lens with an f/1.4 aperture, even within the mid-tele range. This lens is a critical component of the comprehensive large aperture series, which includes high-performance wide-angle, standard, and telephoto lenses, all designed for portability without compromising on image quality.The Sigma 56mm f/1.4 lens is a testament to professional-grade optics, offering a level of image quality that rivals Sigma's esteemed Art line. To ensure a balance between size and performance, the lens construction has been meticulously optimized, taking into account the camera body's ability to correct for peripheral illumination and distortion.