Opus IV is a 1925 German absolute film directed by Walter Ruttmann.
The film is the final installment in the “Lichtspiel” (German for “light show”).
The Opus films are famous for using geometric shapes, basic lines, and abstraction to create optical images,[2] then taking the optical art, along with rhythm and editing, to imply movement.
[4] On 3 May 1925 the Sunday matinee program Der absolute Film took place in the UFA-Palast theater at the Kurfurstendamm in Berlin.
Viking Eggeling's Symphonie diagonale, Hans Richter's Rhythmus 21 and Rhythmus 23, Walter Ruttmann's Opus II, Opus III and Opus IV were all shown publicly for the first time in Germany, along with the two French dadaist cinéma pur films Ballet Mécanique and René Clair's Entr'acte, and Ludwig Hirschfeld-Mack's performance with a type of color organ.