The previously rumored Sigma 60-600mm f/4.5-6.3 DG DN OS Sports lens for Sony E-mount and Leica L-mount is now officially announced: Pre-orders: Adorama | B&H | Koch | Calumet | Erhardt | WEX Hands-on reports at Explora and West42 First look Technical specifications MTF charts Sample photos Product listing Press release Key features: Lens construction of 27 … Continue reading Officially announced: Sigma 60-600mm f/4.5-6.3 DG DN OS Sports lens for Sony E-mount and Leica L-mount