On-location filming offers the advantage of greater realism, but is often inconvenient, since the general public also uses the given department store, police station, or dance hall.
實景的優點是現成且真實，但卻因時刻都有人使用，（如百貨公司、警察局、舞廳… …），無法配合電影工作的進行；搭建佈景所費不貲，且效果不如實景來得真實。