Glossary - C

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CAMERA

Device to form an image with a lens onto a film

CAMERA LOG

Record sheet with details of scenes shot on a roll of original negative

CAMERA ORIGINAL

The original film element exposed in the camera, often the original negative

CANCELLATION

The cancellation of sound distortion on a photographic sound track by neg pos printing

CANDELA

A unit of luminous intensity of light

CAPSTAN

A smooth or toothed drive spindle for film or tape

CAPTION

Written or spoken titles to a picture or illustration

CARTRIDGE

Container with a spool of film, or a closed loop of film

CASSETTE

A light tight container for a roll of film for attachment to a daylight operating film processor

CASSETTE

A sound tape cartridge, or a video tape cartridge

CC FILTER

Optically flat Colour Correction filters made of gelatin in RGBCMY and intervals of 0.05 Density [Kodak term]

CCD

Charged Coupled Device [acronym]

CCIR

Consultative Committee for International Radio, standardising body for television and radio

CELL

Transparent foreground used for animation filming

CELL SCRATCH

Scratch on the base or cell [celluloid] side of film, = base scratch

CELL SIDE

The base [or celluloid] side of a piece of film

CELLULOID

Trade name for cellulose nitrate, occasionally used for all film

CHARACTERISTIC CURVE

A graph of Log E and Density for a film stock

CHARGE COUPLED DEVICE

Semiconductor which can store information, used as an image sensor

CHECKER-BOARD CUTTING

A and B roll cutting [syn]

CHEMICAL TONING

See TONING

CHROMA

Television signal component carrying colour, also loosely = saturation

CHROMAGENIC

Production of colour by a chemical process, used of colour development, and certain toning processes

CHROMAKEY

Video special effect combining images with a blue background with other images, similar to travelling matte

CHROMINANCE

Refers to a video signal that determines the colour of the image

CINCH MARKS

Scratches caused by excessive tension during the winding up of film, especially by cinching

CINCHING

Pulling the end of film to tighten the wind of loosely wound film, very bad practise

CINE

Colloquial term for any motion picture practice or equipment

CINEMASCOPE

Trade name for an anamorphic widescreen film system

CINEMATOGRAPHY

General term for intermittent motion picture fim technology

CINEX STRIP

A short test print in which each scene has been exposed with a different exposure

CLAPPER

Hinged arms clapped together and filmed by camera to establish film synchronisation

CLAW

Device to pull film through the camera or printer gate intermittently

CLEARING BATH

Aqueous solution used to ensure staining reduced to a minimum, chemistry depends on the process

CLIP

Short section removed or replaced from a film sequence or scene

CMY

Cyan, Magenta, Yellow, the subtractive primaries, also print grading lights [in Technicolor]

COCKLE

Unevenly shrunken film resulting in uneven wind [see also buckle]

COLLIMATED

Of light in a parallel beam, produced by condensing lenses

COLORIMETRY

The measurement of colour in numerical terms

COLORISATION

Electronic addition of colour to a black and white film for colour TV transmission

COLOUR

A general term for the subjective sensation of viewing different wavelengths of visible light. USA COLOR

COLOUR ANALYSER

See Analyser, colour grading electronic video device

COLOUR BALANCE

Term used to describe the "neutrality" of a colour film or TV image or it's departure from neutral, see also BALANCE

COLOUR CONTRAST

The subjective effect of the intensities of two colours, numerically the log of this ratio

COLOUR CORRECTION

Adjustment [by grading] of an off balance print or image to a correct balance

COLOUR DEVELOPER

Aqueous solution of a colour developing agent to produce dyes in film emulsions chromagenically

COLOUR FILTER

A transparent gelatin or glass for selectively absorbing light wavelengths

COLOUR NEGATIVE

A record of colour and brightness of a scene in terms of negative values of brightness and complimentary colours

COLOUR POSITIVE

A record of the original scene in identical brightness and colour values

COLOUR PRINT

A photographic colour positive made from a different camera original by printing

COLOUR SEPARATIONS

Black and white film negatives or positives made through tricolour filters that represent R, G or B records of a scene

COLOUR SYSTEM

Trade name or traditional name of a colour film process or technique

COLOUR TEMPERATURE

A method of describing the colour of a light source, by comparing with the temperature in Kelvin units of a black body irradiator

COMBINED PRINT

A film print with both picture and sound track, a married track [see]

COMMENTARY TRACK

A sound track with a voice or commentary over the background sound

COMOPT

Combined Optical sound track, a photographic sound track on a print

COMPLEMENTARY COLOURS

Colour resulting from removing a colour from white light, eg the complementary of yellow is blue, OR two colour when added together produce neutral white or grey

COMPOSITE PRINT

Combined print [syn]

CONDENSER LENS

A lens, or lens system, able to collimate light, ie generate a parallel beam

CONDENSING

Creating a peeled role [cf] [Technicolor]

CONFORMING

The assembly of picture and sound elements to match an edited film or video production

CONSERVATION

The processes necessary to ensure the physical survival of the film with minimum degradation

CONSERVATION MASTER

Term for a duplicate made primarily for long term archival storage

CONTACT PRINTING

Printing a film by exposing the raw stock in contact with the original

CONTINUOUS PRINTING

Printing film by continuous, not intermittent, transport of the original and the print

CONTINUOUS PROJECTION

Projection by continuous film transport, the intermittent image is created by a mirror or prism system.

CONTRAST

Relationship between light [highlight] and dark [shadow] areas of a picture, described as high, low or a number [numerically the log of this ratio]

CONTROL TRACK

A magnetic sound track on a film controlling the distribution of other tracks to loudspeakers

COPY

A film print, a colloquial general term

CORE

A cylinder used as a centre for winding film, usually plastic, originally wood

COUNTER

Device for measuring the length of a film by counting frames

COUPLER/DYE COUPLER

A chemical that combines with oxidised developing agent to forma dye, chromagenic

CP FILTER

Colour Printing filters, for use in uncollimated light, in primary colours and increments of 0.025 or 0.05D

CRAWLING TITLES

Titles or credits travelling horizontally across the screen

CREDITS

Acknowledgements in the titles at beginning or end of a film

CREEPING SYNC

A progressive error in synchronization between picture and sound

CRI

Colour Reversal Intermediate, a defunct Kodak duplicating system

CROPPING

Cutting off the top or sides of a frame to change the aspect ratio

CROSS MOD TEST

A cross modulation test determines the optimum printing exposure to achieve cancellation [c.f.]

CROSSOVER [TEST]

Sensitometric test when converting printing conditions from one batch of film to another

CU

Close Up

CUE

A signal or mark to actuate an event, on a film

CUEING SYSTEM

A technical mean to operate an event, as a light change, on a printer

CUE DOTS

Visible signals to indicate the reel change over between film projectors or telecine,

CUE SHEET

List of printing details for as roll of film

CUT

A change from scene to scene

CUTS AND TRIMS

Unused negative film from scenes, takes and parts of scenes, left over from editing

CUTTING

Selection and assembly of scenes of a film

CUTTING COPY

Laboratory term for the editors cut film, ready for negative matching

CUTTING FRAMES

Extra frames at start and end of scenes to allow latitude in editing, particularly in animation

CYAN

Subtractive primary