How many kinds of light are used in photography?

(1) Main light: Also known as "shaping light", it refers to the main lighting light used to express scenery, texture and image.

(2) Auxiliary light: also called "supplementary light", it is used to improve the brightness of the shadow part produced by the main light, reveal the details of the shadow part and reduce the contrast of the image.

(3) Decorative lights: also known as "decorative lights", refer to the light that is locally strengthened and shaped on the photographed scene, such as cold light, eye light, flare light of craft jewelry, etc.

(4) Side light: refers to the light that outlines the object being photographed. Backlight and side backlight are usually used as side light.

(5) Background light: Light shines on the background behind the subject to highlight the subject or beautify the picture.

(6) Simulated light: also called "effect light", it is used to simulate the lighting effect of a certain venue and add auxiliary light.