Not only can the computer create all the effects which are possible with the camera, but there is no need as in the past to make correction after tedious correction in the darkroom, repeatedly developing, fixing and drying before one can know the results.
電腦不僅可以做出所有相機可以製造的效果，而且在創作過程中，不必如過去在暗房一遍又一遍地辛苦修正，重複地顯像、定影、烘乾，才能知道結果。