What are triangle light and ghost light in photography? .

Triangle lights are also known as Braun Ning Guang. It was discovered by Browning, a master of oil painting, which mainly shows the personality of the characters. A beam of light hits the face at a 45-degree angle from the side, forming a triangular area under the eyes on the other side of the face. Most of the ghosts you talk about appear in horror movies. The light shines upward from the light source below the object.