本片是一部英国纪录片片，上映于2001-10-13，由兰德尔·赖特导演，由大卫·霍克尼主演。
剧情简介：Artist David Hockney discusses his theory that artists were secretly using optical devices such as mirrors and lenses in creating their work as early as the 15th century. Examples from Flemish and Italian art are studied as he examines how famous paintings have had their noted mysteries newly solved; he also makes comparisons to modern film and digital imagery.
外文名：David Hockney: Secret Knowledge
类型：纪录片
地区：英国
导演：兰德尔·赖特
编剧：兰德尔·赖特 / 大卫·霍克尼
演员：大卫·霍克尼
