What does light and shadow mean in photography?

Light and shadow means: the shadow formed by sunlight; Silhouette: Shadow images with obvious shapes and no tonal details are called silhouettes. Generally speaking, it is a dark theme on a bright background.

The expression of light and shadow: smooth light makes the subject's light receiving area large and uniform, and it is not easy to have shadows, and the subject description is relatively dull, with poor texture and three-dimensional sense. Side light can make the uneven surface of the subject show clear shadows, showing the texture, texture and strong sense of volume of the subject. Backlight can make the subject have a silhouette effect, and the edge of the silhouette reflects dazzling light, which has a unique aesthetic feeling.

Extended data:

On the application of light and shadow:

1, a wide range of light sources can weaken shadows, reduce contrast and suppress textures, while narrow light sources have the opposite effect. This is because the wider the light source, the more directions the light shines on the object, which will increase the lighting in the scene and reduce the shadows.

2. Shadow is a means for photographers to describe the three-dimensional properties of objects, which can make objects show a sense of space in photos, not just the projection of objects on the plane. Similarly, side light, top light and bottom light can cast deep and long shadows on objects, thus creating a three-dimensional sense. Therefore, still life, commercial products and landscape photographers like to use angled light.

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