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.
David Hockney: Secret Knowledge (2001)
10/13/2001 (EN) • 1h 12m
Documentary
Overview
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.