The magnified black white positive separation plates of the negative colorfilm were made with an ordinary enlarger and the filters of red, green and blue.
其彩色负片分别用红、绿、蓝滤色镜及普通放大机分色放大，制成黑白正版。
2
Color Reversal film: film that after processing has a colorpositive image. Can be an original camera film or a film in which other positive films are printed.