1930s
Rear Projection
1930s–1950s: Hollywood, car rides and fantastic worlds.
Three-Strip Technicolor
1930s–1950s: defining Hollywood color style.
Travelling Matte
1930s: classic fantasy and invisibility effects.
Light Painting
1935: Man Ray's Space Writing as an early artistic reference
Day for Night
Classic studio cinema; new processes up to the present day
Optical Printer
1930s–1980s: central post-production technology
Interlacing
1936: BBC television with 405 interlaced lines; today's look simulation.
Kodachrome Color
1935, Eastman Kodak
Multiplane Camera
1937, Walt Disney Studios' widespread use
Pinscreen Animation
1933, Alexandre Alexeieff and Claire Parker's technique
Stroboscopic Photography
1931, Harold Edgerton's high-speed flashes
Direct Animation on Film
1930s, pioneered by Len Lye and Norman McLaren
Political Retouching
1930s, Stalin's Great Purge photographs
Kirlian Photography
1939, Semyon and Valentina Kirlian's experiments
Fumage
1937, Wolfgang Paalen's surrealist technique
Decalcomania
1936, Óscar Domínguez's surrealist experiments
Distortion Photography
1930s; André Kertész's Distortions, 1933
Zone System
1939–1940, developed by Ansel Adams and Fred Archer
Photoelasticity
1930s engineering use; established in the nineteenth century
Busby Berkeley Top Shot
1930s, Busby Berkeley’s Hollywood musical numbers