ocr: A broad term ror a mue range Drdevicesand vrutesses, inciuaing some Knas WOrK perrormed by. stunt en and rrumen, modelshots. opticals In-camera enecis, matte shots. reatptoaction. salanzation. nagativeimagg. and muchi mare. Film ineanst ChfistanMetz anerentatea petweenwhat he called"Protimic Ppecial Effe cts, " which do not distortthe image,and-Cinermata - graphic Epecial Effects, which do Glstortthelmage
