PAR stands for Parabolic Aluminized Reflector, a type of lamp design that directs light through a parabolic shape. In floodlights, PAR refers to the specific construction of the bulb, where the inner surface is shaped like a parabola, reflecting light outward in a focused beam. PAR floodlights are known for their ability to concentrate light in a particular direction and are widely used in various applications such as stage lighting, outdoor illumination, and spotlighting. The design of a PAR lamp enables the control of the beam spread, and it's available in different sizes and angles, providing flexibility in lighting design.
While both flood lights and PAR lights are used to illuminate areas, they have distinct differences: