About: Film gate

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The film gate is the rectangular opening in the front of a motion picture camera where the film is exposed to light. The film gate can be seen by removing the lens and rotating the shutter out of the way. The film is held on a uniform plane at a calibrated distance in the gate by a pressure plate behind the film.

Attributes	Values
rdf:type	anatomical structure
rdfs:label	Film gate (en)
rdfs:comment	The film gate is the rectangular opening in the front of a motion picture camera where the film is exposed to light. The film gate can be seen by removing the lens and rotating the shutter out of the way. The film is held on a uniform plane at a calibrated distance in the gate by a pressure plate behind the film. (en)
foaf:depiction
dcterms:subject	Film and video technology Cinematography
Wikipage page ID	1721827 (xsd:integer)
Wikipage revision ID	1046216041 (xsd:integer)
Link from a Wikipage to another Wikipage	Casanova (2005 film) Film and video technology Cinematography Focus puller Zoom lens Wet-transfer film gate Arri Assistant director Cinematographer Oliver Stapleton Camera magazine Canned air Flashlight Movie camera List of film formats Orangewood Post production Photographic lens Pin registration Shutter angle
sameAs	Film gate Film gate Film gate
dbp:wikiPageUsesTemplate	dbt:Reflist dbt:Unreferenced_section
thumbnail	wiki-commons:Special:FilePath/Hair_in_the_gate.jpg?width=300
has abstract	The film gate is the rectangular opening in the front of a motion picture camera where the film is exposed to light. The film gate can be seen by removing the lens and rotating the shutter out of the way. The film is held on a uniform plane at a calibrated distance in the gate by a pressure plate behind the film. Occasionally, as the film passes through the gate, friction can cause small slivers of celluloid to break off and stick in the side of the opening. These pieces of debris are called hairs. A "hair in the gate" will remain in front of the film and create a dark line that sticks into the edge of the film frame as the camera is filming a shot. A hair can ruin the shot and is almost impossible to fix in post production without using modern digital removal techniques. Because of the intractability of this problem the focus puller (or 1st Assistant Camera) will open the camera and examine the gate for hairs at the end of each shot. Normally the assistant director will call out "check the gate" when the director is ready to move on to the next shot. The crew will wait until the focus puller calls out "gate is clean." If the gate is not clean, it will be cleaned with orangewood sticks and canned air and the crew will take the shot again. A good camera crew usually checks all cameras and magazines during equipment checkout with "scratch tests" using fogged film rolls — this will catch out any possible scratch or hair problems caused by faulty equipment. However, a variety of other factors including environment, humidity, type of film stock, camera position, film ridging, and lacing can each be responsible for a "hair in the gate". Generally, skilled crew and regularly inspected tested equipment make this a rare occurrence, and it is not unheard of for assistants to go for months without seeing one, even on large-scale shoots. The cinematographer Oliver Stapleton praised his assisting team on Casanova for not having a single hair or scratch for the whole shoot, even though large portions were shot on dusty exteriors. Video cameras do not have this problem, as any malfunction to the sensor will render the entire system useless. The Arri D-20 and D-21 system, however, does have removable lenses and a rotating optical shutter, which means that the CMOS sensor can be exposed in much the same way as a film gate and thus needs to be kept assiduously clean. (en)
gold:hypernym	Opening
prov:wasDerivedFrom	wikipedia-en:Film_gate?oldid=1046216041&ns=0
page length (characters) of wiki page	4336 (xsd:nonNegativeInteger)
foaf:isPrimaryTopicOf	wikipedia-en:Film_gate
is Link from a Wikipage to another Wikipage of	List of motion picture film formats Index of articles related to motion pictures Index of motion picture–related articles Intermittent mechanism Glossary of motion picture terms The Zero Theorem Comparison of movie cameras Full frame (cinematography) Dalsa Origin Gate (disambiguation) Wet-transfer film gate Standard 8 mm film High-speed photography Arriflex D-20 Cinematic style of Christopher Nolan Film format Film look Camera operator Motion picture film scanner Vitaphone Super 35 Rotary disc shutter Standish Lawder Hair in the gate Gate check
is Wikipage redirect of	Hair in the gate Gate check
is Wikipage disambiguates of	Gate (disambiguation)
is foaf:primaryTopic of	wikipedia-en:Film_gate

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