LIGHT LEVEL IN PHOTOGRAPHY

　　The light position in photography can be ever-changing, but in general, there are seven types of front light, front side light, side light, rear side light, backlight, top light and foot light.

　　(1) Frontal light: The light comes from the front of the subject, and is called "flat light, smooth light and high-level smooth light according to the angle. The subject illuminated by the frontal light feels bright, but the three-dimensional effect is poor and lacks Light and dark changes.

　　(2) Front side light: refers to the front side light of 45 degrees. The scene illuminated by the front side light is full of life and three-dimensional effect.

　　(3) Side light: Also known as 90-degree side light, the subject under side light has a yin and yang effect. It is a dramatic main light position in portrait photography.

　　(4) Rear side light: also known as "side backlight", the light comes from the side and rear of the subject, which can make one side of the subject produce contour lines, separate the subject from the background, and enhance the three-dimensional and spatial sense of the picture.

　　(5) Backlight: Also known as "backlight", the light comes from the back of the subject, and the backlight can make the subject produce vivid outlines and separate the subject from the background, so that the picture has a sense of three-dimensionality and space. One of the most important aspects of backlight composition is to create a dark background in the picture, otherwise the outline will not be eye-catching.

　　(6) Top light: The light comes from directly above the subject, such as the noon sunlight, top light will cause unfortunate heavy shadows on the faces of the characters.

　　(7) Foot light: The light comes from below the subject, and is often used to uglify a person in a light direction. There is no light position for foot light in natural light.

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