Lens capable of uniformly mixing light and lamp

The lens comprises a light source and a cup body arranged on the light source, the light source comprises an RGB light source and white light, the white light is arranged around the RGB light source, the cup body sequentially comprises a first annular cup body and a second annular cup body from outside to inside, the first annular cup body forms small-angle light distribution on the white light, and the second annular cup body forms small-angle light distribution on the white light. Large-angle light distribution is formed for the RGB light source, large-angle light distribution is formed for the white light through the second annular cup body, and small-angle light distribution is formed for the RGB light source. The utility model further provides a lamp comprising the lens. According to the lens, uniform mixing of the RGB light source and the white light can be achieved, the lens is suitable for higher-end professional lighting, human factor lighting and the like, and the lighting experience of a user is gr