The Optimo Prime 21mm T1.8 Lens from Angenieux is a PL-mount lens that features a fast T1.8 maximum aperture, Cooke /i and ARRI LDS lens metadata transmission, a replaceable iris blade unit, 320° focus rotation, and user-configurable bokeh. It shares a matching color profile with the entire Optimo range, including the Optimo zoom lenses. Each lens in the series also features nonlinear zoom and iris, internal glass optical elements, and a rear filter option. All the Optimo Prime lenses have a 95mm front diameter (except the 200mm), making it easy to swap lenses without changing your focus motor or matte box setups.