Fujinon OptCal calculates for three categories: Broadcast, Cinema, and CCTV.For Broadcast: Field of View, Angle of View, Depth of Field, Effective Focal Length, and Equivalent Focal Length.For Cinema: Field of View, Angle of View, and Depth of Field.For CCTV: Field of View, Effective Focal Length, Lens Focal Length, and Lens/Camera Converter.