Traditional Culture Encyclopedia - Photography and portraiture - What's the meaning of vigneting in the projector?

What's the meaning of vigneting in the projector?

Dizzy? It comes from the French word "vignette", which means to faint.

Generally speaking, in photography and optics, the brightness and saturation of the image edge gradually weaken relative to the image center.

In photography and optics, it refers to the decrease of brightness or saturation at the edge of an image compared with the center of the image.