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...ibution, and projection. In its most typical iteration, each frame is four perforations in height. It can accommodate multiple [[aspect ratio|aspect ratios]] when There are other variants, including [[VistaVision]] (eight perforations per frame, running horizontally), [[dual-strip]] polarized [[3-D]] (two 35m ...

* perforations ...

...re far more popular in Europe. Other versions of the M.3 can accommodate [[Perforations|CS perfs]], magnetic tape, and 16mm and 70mm film. ...flay without without engaging the pins if they no longer line up with the perforations due to shrinkage. ...

...om the upper soundhead sprocket by two perforations. There should be eight perforations of slack between the upper and lower soundhead sprockets. ...

Sprockets are toothed drums that engage with the [[perforations]] (also called '''sprocket holes''') to advance the film through the projec ...-down was the only force driving the firm, which resulted in strain on the perforations during pull-down and prevented the film from spooling out and taking up eve ...

Some batches of 35mm Buzz Track were misprinted with a frame line every four perforations. This can be used in the normal manner, though there is an audible thump 24 ...

...conventional 70mm. It's often referred to as 15/70, 15 being the number of perforations in a single frame. ...

...reverse order so that it could be run backwards through the mechanism. The perforations are located between each strip of images. The reel would be cranked forward ...

...ead, and the solar cell is picking up parts of the image, DTS timecode, or perforations in addition to the soundtrack. Align with [[Buzz Track]] test film as descr ...

* Broken perfs - Perforations are either cracked or "pulled." Cracked perfs can be repaired with splicing ...

...takeup tension is excessive, the holdback sprocket can stress or tear the perforations. ...

...! Make that any frames spliced together are COMPLETE frames. The number of perforations (or sprocket holes) in a complete frame will depend on what film gauge you ...

...inted with 4-track magnetic sound. To accommodate the magnetic tracks, the perforations were narrowed. Prints in this format can only be run on projectors with Cin ...

...(Items 1, 6, 9) to ensure that the sprocket teeth are centered in the film perforations, and the film is centered on the sprockets. Double check the position of th ...

...applied, this tape could run past the film edge or cover a portion of the perforations and the [[Dolby Digital]] soundtrack. ...