What is an objective lens?

Objective lens: A lens shot from a bystander or neutral perspective that does not participate in the plot. The vast majority of shots in a film are objective shots. It is responsible for dramatization tasks such as narrating the plot, introducing the environment, depicting characters, and enhancing the atmosphere, as well as the artistic expression function of embodying the style through the picture. The audience can expand their horizons, participate in the process of events, and understand the characters through objective narration and description.