Traditional Culture Encyclopedia - Photography major - What are the characteristics of light source?

What are the characteristics of light source?

The light source is characterized in that:

1. Light intensity.

The relationship between intensity and distance from light source accords with inverse square law. The idea of inverse square is that if the distance between point B and the light source is twice that of point A, then the intensity of light received by point B is a quarter of that of point A. ..

2. direction.

According to the relationship between light source and object, the position of light source can be divided into four basic types: front light, 45-degree side light, 90-degree side light and backlight. Backlight is generated when the light is emitted from the back of the subject to the camera. In the case of backlight, the dark silhouette of the subject will appear in front of the bright background. This Gao Fancha image is simple and expressive.

3. color.

Lighting includes natural lighting and artificial lighting. There is only one outdoor light source-the sun, which is the source of all kinds of light. Artificial lighting.

How to arrange the lighting in the studio;

1. Place the main light: This is the main light. Where should I put it? Mainly depends on what effect to pursue, but usually the lamp is set aside at a 45-degree angle with the subject, usually higher than the camera to increase the auxiliary light.

2. The shadow cast by the main light is dark, and the auxiliary light adds some light to the shadow to make it appear.