It’s useful to remember that a 3D application is essentially an empty void in which you can create whatever you wish. In this environment, you will need a camera to capture the picture or movie you want, and this is what the camera object in a 3D application is for. The camera is an object Your 3D camera exists in the scene like any other object; most 3D applications show it as a movie camera or pyramid. Frame your shot The camera object defines the render view of the 3D application, whether it is a still or an animation. Control the output Since the camera object works like a real camera, we can adjust the focal length to control how an object appears.