High-speed filming technique using elevated frame rates (120–1.75M fps) that produces slow-motion effects when played back at standard speed (24 fps).
Modern digital cameras achieve various slow-motion levels: consumer cameras manage 120-240 fps, professional cinema cameras like the RED V-Raptor 8K up to 600 fps at 4K resolution. Specialized high-speed cameras (Phantom TMX 7510) reach 1.75 million fps at reduced resolution. The slowing down is calculated by the ratio of recording to playback frequency: 120 fps at 24 fps playback result in a 5x slow-down (20% of original speed). High-speed recordings require more intense lighting, as the exposure time per frame is drastically reduced.
The first documented slow motion was created by Étienne-Jules Marey in 1882 with his "Chronophotography," which analyzed bird flight. August Musger developed the first practical slow-motion cinematograph with variable recording speed in Graz in 1904. Hollywood established the technique in the 1920s for slapstick comedies and sports studies. The electronics revolution of the 1960s brought precisely controllable motors, and digital sensors in the 2000s finally enabled extreme speeds without film transport issues.
Action films use slow motion for explosions and fight sequences – Zack Snyder established the characteristic switch between normal and slow-motion speed with "300" (2006). Sports films use 250-500 fps for ball movements, horror films 120 fps for blood splatter details. The workflow requires prior calculation of storage capacity: one minute of 1000-fps footage at 4K requires about 500 GB of storage. Disadvantages: increased lighting requirements, limited recording duration, complex data processing.
Distinction from digital time stretching, which generates interpolated intermediate frames retrospectively from 24-fps material – qualitatively significantly worse. Speed ramping combines variable speeds within a shot. Modern alternative: AI-based frame interpolation (RIFE, DAIN) generates usable slow motion from normal footage but does not achieve the sharpness of true high-speed recordings. Time lapse is the technical opposite with a reduced recording frequency.
Ich kalkuliere bei 500 fps mindestens das 10-fache an Lichtleistung gegenüber Standard-24fps, da die Verschlusszeit auf 1/1000s oder kürzer fällt. Die Phantom-Kameras heizen extrem auf - maximal 8-10 Takes hintereinander, dann 15 Minuten Pause. Speicher-Management wird kritisch: Bei 4K und 1000fps sind meine 2TB-SSDs nach 3-4 Minuten Aufnahmezeit voll.
Zeitlupe transformiert banale Aktionen in emotionale Höhepunkte - der fallende Wassertropfen wird zur Metapher, der Faustschlag zum balletthaften Ritual. Ich setze sie sparsam ein, da inflationärer Gebrauch die Wirkung verwässert. Speed-Ramping innerhalb einer Szene erzeugt Rhythmuswechsel, der das Publikum physisch mitnimmt.
High-Speed-Kameras kosten 1.500-3.000 Euro Tagesmiete, Spezialkameras bis 8.000 Euro plus Techniker. Der Workflow verlängert sich: 10x mehr Daten bedeuten 10x längere Überspielzeiten und Rendering-Prozesse. Ich plane bei Zeitlupe-lastigen Szenen 30% mehr Drehtage und verdopple das DIT-Budget für zusätzliche Speicher-Hardware.
1. Zu welchem Department gehört „Zeitlupe"?
2. Wie viele verschiedene Fachperspektiven bietet dieser Eintrag?
The Lexikon is part of the Filmfarm ecosystem — alongside budgeting (FilmBalance), an industry magazine (FilmCircus) and crew networking (FilmCall, CrewMesh). One shared vocabulary for the whole production.