A clapperboard, also known as a dumb slate, clapboard, film clapper, film slate, movie slate, or production slate, is a device used in filmmaking, television production and video production to assist
Clapperboard c. 1953
A traditional wooden slate clapperboard.
A Denecke clapperboard containing LED display with SMPTE Timecode and colored stripes on the sticks.
A clapper loader or second assistant camera is part of a film crew whose main functions are that of loading the raw film stock into camera magazines, operating the clapperboard at the beginning of eac
Clapperboard
…synchronizing of picture and sound, and to designate and mark the various scenes and takes as they are filmed and audio-recorded. It is operated by the clapper loader. It is said to have been invented by Australian filmmaker F. W. Thring. Due to its ubiquity on film sets, the clapperboard is frequently featured in…
Clapper loader operating the clapperboard during the filming of A Place in the Caribbean (2017, Honduras)
Panavision R-200 movie camera (through-the-lens Reflex, 200 degree shutter, hence R-200). The camera magazine is inside the lighter color "blimp" on the top of the camera; the camera head is inside the darker color "blimp" on the bottom; the camera magazine can be removed to be reloaded by the clapper loader
A strip of undeveloped 35 mm color negative film from a roll; B&W negative film is similar; "Negative" may be inferred from the BH style perforations.
Each 35 mm roll contains a maximum of 2,000 feet, or 22.22 minutes of running time at 24 fps, with a customary maximum of 18–19 minutes.