ISO Settings. Cinemaphotography. DSLR Movie Tips. Renowned Cinematographers. Film Making Tips. Film Sound. Movie Makers. Video Equipment. Introduction to DSLR Lenses. A new series from Vimeo and Vincent Laforet. Some good info here for beginners and those seeking info on lens selection. Behind the Glass Part 1: An Intro to Lenses Behind the Glass Part 1: An Intro to Lenses from Vimeo Staff on Vimeo. Music by digi g’alessio used under Creative Commons Behind the Glass Part 2: Focal Length Behind the Glass Part 2: Focal Length from Vimeo Staff on Vimeo. Music by digi g’alessio used under Creative Commons: soundcloud.com/digigalessio/morning-jam-with-darth-vader Behind the Glass Part 3: Depth of Field Behind the Glass Part 3: Depth of Field from Vimeo Staff on Vimeo.
Filmmaker's Master Class with Milos Forman. Film School Forums. Animation. The History of The Discovery of Cinematography --- An Illustrated Chronological History. Flicker fusion threshold. The flicker fusion threshold (or flicker fusion rate) is a concept in the psychophysics of vision. It is defined as the frequency at which an intermittent light stimulus appears to be completely steady to the average human observer. Flicker fusion threshold is related to persistence of vision. Although flicker can be detected for many waveforms representing time-variant fluctuations of intensity, it is conventionally, and most easily, studied in terms of sinusoidal modulation of intensity. There are then 7 parameters that determine the ability to detect the flicker: Explanation[edit] As long as the modulation frequency is kept above the fusion threshold, the perceived intensity can be changed by changing the relative periods of light and darkness.
Different points in the visual system have very different critical flicker fusion rate (CFF) sensitivities; the overall threshold frequency for perception cannot exceed the slowest of these for a given modulation amplitude. Lighting[edit] (60) Why does video at high frame rates look cheap.