The Chauvet Pro Ovation F 3.25″ Barndoor is a four-leaf accessory designed to control light spill and shape the beam of compatible lighting fixtures. It is intended for fixtures with a 3.25-inch (82.5 mm) accessory holder and has four independently adjustable leaves for asymmetrical beam shaping. The barndoor shields unwanted light from scenery and architectural elements and creates defined beam edges for focused subject illumination. It is suitable for theatrical and studio lighting applications.