Back Retroprojecció Catalan Zadní projekce Czech Rückprojektion German Proyección trasera Spanish Projection arrière French Cúlteilgean Irish אפקט הקרנה אחורית HE Proyeksi latar ID Trasparente (cinema) Italian Retroprojeção Portuguese
 | This article includes a list of general references, but it lacks sufficient corresponding inline citations. (February 2008) |
Rear projection (background projection, process photography, etc.) is one of many in-camera effects cinematic techniques in film production for combining foreground performances with pre-filmed backgrounds. It was widely used for many years in driving scenes, or to show other forms of "distant" background motion.