B&H PhotoVideo - "How Good are Sigma’s New Cine Lenses?"  4:12

"Cinematographer Mark Raker gets his hands on Sigma’s FF high-speed prime focal lenses: The 28mm T1.5, 40mm T1.5 and the 105mm T1.5 and pairs them with a Canon C700. Shooting at 5.9K and a Sony A7S II shooting 4K. "