Glossary
- Q-R
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QUADRAPHONIC |
A four channel sound system |
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Term for the alignment from frame to frame of 35mm film, see also IN RACK |
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RACKING |
Framing [syn] |
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RAIN |
A multitude of short vertical scratches on film, usually caused by cinching |
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RASTER |
The scanned line structure of a TV screen |
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RAW STOCK |
Colloquial term for unexposed film |
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RB |
Same as NG, No Good. Used mostly by Technicolor |
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REAL TIME |
Keeping pace with the events in the "real" world. At normal speed |
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REAR PROJECTION |
Projection onto the rear of a screen, viewed from the front |
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RECIPROCITY LAW |
The "law" that states that a constant exposure results in a constant result regardless of the intensity of the light |
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RECIPROCITY LAW FAILURE |
Divergence from the reciprocity law by some photographic films at very high or low intensities |
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RECONSTRUCTION |
The editorial procedure of reassembling a version of a film production to an authoritive original version |
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RED |
An additive primary colour |
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RED MASTER |
A local term for a conservation master where the silver image is replaced by silver sulphide |
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REDUCTION |
Mixing multitrack master sound tapes to make a single tape for production |
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REDUCTION PRINTING |
Reducing the image size by optical printing, eg 35mm to 16mm |
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REEL |
A roll of film, a unit of film as part of a film programme, usually about 1000ft |
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REEL |
A flanged hub holding film |
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REEL-TO-REEL |
Open reel [syn], separate supply and take up reels, of a film or tape path |
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REFRACTION |
Deflection of a light path when passing from one medium to another, where the refractive indices are different |
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REGISTER PINS |
See pins |
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REGISTER/REGISTRATION |
To cause two or more images to coincide exactly |
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REGISTRATION |
Process of registration. To place in exact alignment |
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REHALOGENATION |
A process of reforming the silver halides after developing to silver, used in some colour processes for colour or sound |
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Feature film print made for cinema display |
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RESEAU |
The mosaic of R, G, and B filters printed on Dufay colour film |
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RESOLUTION |
The ability of a reproduction system to discriminate between images of objects very close together |
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RESOLVING POWER |
Resolution of a reproduction system expressed numerically, sometimes in lines per mm |
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RESTORATION |
The process of compensating for degradation by returning an image or artefact to close to it's original content. |
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RETAKE |
To photograph a scene again, usually due to an error the first time |
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RETARD ACTION |
Special effect of slowing action by repeat printing of frames, US |
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RETICULATION |
Distortion, cracks and wrinkles on film emulsion caused by sharp temperature changes during processing |
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REVERSAL EXPOSURE |
The exposure of film during processing in order to "reverse" the image, and produce a positive |
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REVERSAL FILM |
Film designed for reversal processing |
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A film process that produces a positive image directly, using two developer stages |
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REVERSE ACTION |
An optical effect when the action appears backwards / frames printed in reverse order |
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REVERSE DIRECTION |
Picture image reversed, left to right, = Flop over [syn] |
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RF CUES/RF TABS |
Metal foil reflective to radio frequency used as film printer cues, attached to film edges |
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RGB |
Red, Green and Blue, the order of printer points used to describe a printer setting for a scene |
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ROCK AND ROLL |
Moving a sound track and picture backwards and forwards in sync to locate edit points, also term used for video |
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ROLL |
A general term for a rolled length of film |
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ROLL |
A loose term for a reel or length of film, usually a term used for film on a core |
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ROLLING TITLE |
Title or captions moving from bottom to top on the screen |
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ROPING |
Film damage indentations caused by film running off a sprocket drive, also called run-off |
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ROSTRUM CAMERA |
A camera mounted vertically over a platen or graphics, for complex titles or animation |
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ROTARY PRINTER |
A continuous motion contact printer, the gate is curved to ensure good origins and stock contact |
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ROUGH CUT |
A first edit that may be improved later by "fine cutting" |
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RUBBER NUMBERS |
Edge or footage numbers applied after processing by a letterpress printing process |
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RUN OFF |
The accident of film running off a sprocket drive causing subsequent "roping" |
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RUN OUT |
Any piece of film after the tail leader as a protection for the reel |
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RUN UP |
Film on the front of a reel to allow the projector to reach a stable speed |
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First print from a negative, often made quickly, or overnight to see the following morning, British term |
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RUSHES REPORT |
Written report from a grader describing the negative and rushes quality for the cameraman |