registration) the film. Films may have different types of perforations depending on film gauge, film format, and intended usage. Perforations are also used...

perforations look similar in many respects to hot needle perforations. However, laser systems are expensive. The big advantage of laser perforation is...

width of the film was 1+3⁄8 inches to allow for the perforations now punched on both edges, 4 holes to the phase or picture, which perforations were a shade...

shutter mechanism, reduces film wastage by using frames that are 3 perforations high instead of the standard 4-perforations. This results in an aspect...

contain a 16 mm film with twice as many perforations along each edge as normal 16 mm film; on its first pass through the camera, the film is exposed only...

Super 8 film. The sound track was added on the edge of the film opposite to the perforations. Standard 8mm had the stripe between the perforations and the...

used in philately Postage stamp perforation, used to separate postage stamps Film perforations, the holes placed in the film stock during manufacturing and...

believed to be the first known usage of film perforations. The combined performance of all three films was known as Pantomimes Lumineuses. These were...

two rows of film perforations for a length of 4 perforations. The frame line between the silent film frames was very thin. When sound-on-film was introduced...

in the film transport mechanisms of movie projectors and movie cameras. In this case, the sprocket wheels engage film perforations in the film stock....