Deep Focus: Historical Development
Gregg Toland’s work on Citizen Kane (1941) used faster film stock and powerful arcs to achieve f/8+ apertures on 35 mm, letting audiences choose where to look within a democratic frame.
Deep Focus: Narrative Ramifications
Deep focus empowers mise-en-scène: foreground action juxtaposes with background politics, as in Altman’s Nashville. Critics argue it decentralises authorial guidance, fostering active spectatorship.