Sigma has just officially announced the new Sigma 150-600mm F5-6.3 DG DN OS sports lens. It is the first lens in the company’s ‘Sports’ lineup for mirrorless Sony E and Leica L mounts, featuring a whopping 25 elements, include four… Read moreSigma 150-600mm F5-6.3 DG DN OS Sports Lens Announced, Priced $1,499, Available for Pre-Order