Even up until now, although some portrait masters have substituted oil paints for graphite, they still emphasize a brush with a continuous, fine line which imitates photographic effects.
即使到了今天，有的畫師雖然以油畫顏料代替炭精，然而在筆觸上，講究的依然是「綿綿細細、一片自然」的仿相片式畫法。