The lenses in question are the Sigma 28-45mm T2 Cine and Sigma 28-105mm f/2.8 DG DN Art. First up, the Sigma 28-45mm T2 Cine lens is a prototype, or 'concept' lens as Sigma prefers it, which was ...

As always with large lenses, we need to remember that we handle the lens and not the camera, to avoid ripping the lens mount out. There are two provided lens caps, the 105mm diameter clip-in ...