The process of recording what you see through a real-world camera is simple: you press the button that opens the shutter, which lets light through the aperture, which in turn exposes the film to light, recording what you see.
A camera’s exposure settings determine depth of field (the region of sharp focus), and whether or not subject matter is crisp or blurred by motion.
Especially if you using photography based images in your scene (such as live action footage), you may need to work with some camera settings. You set these and other settings, such as the film back or focal length, in: