The zeiss 28mm t21 cp2 cine prime t lens sony e mount metric is a wide angle prime lens that joins the second generation of zeiss cp2 family of compact prime lenses that unlike standard lenses have been enhanced for video use the lens features a robust cine style housing with the ability to utilise follow focus an interchangeable mount 35mm full frame coverage standard focus and iris gear positions a consistent front diameter longer focus rotation and a manual focus