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34 Cards in this Set

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  • Back
Broadcast-quality video
A term to describe video signal that meets FCC standards for television transmission.
A camcorder and videotape recorder in one unit.
Camera Control Unit
Rather than mounted on the camera head, CCUs are external controls for making adjustments to studio cameras.
The part of a video signal conveying information related to colors in the image.
Color Bar Generator
The circuit provides camera operators with a standard reference signal for use in properly adjusting the viewfinder during shooting, and television monitors and vectorscopes during editing.
Color temperature
A light source's relative position along the spectrum of visible light, measured in degrees on the Kelvin scale.
The part of a video signal conveying information related to the brightness levels of the image.
Remote Control Unit
Similar in function to a CCU, the RCU contains the controls to make adjustments to the camera but is designed for ENG and EFP cameras. All RCU controls are duplicated on the ENG/EFP camera, but not all studio camera CCU controls can be adjusted on the camera.
Return Video
One of the camera's capabilities, this allows the camera operator to view not only the image upon which the camera is focused but also VTR playback or other video sources.
Safe title area
A viewfinder indicator that shows how tight a shot of a graphic card can be framed so that none of the card's important information is lost during recording and transmission.
Split Screen
An image containing picture information from more than one video source.
A device mounted on the front of a camera that allows talent to read copy while giving viewers the impression of looking directly into the camera.
Ultraviolet filter
A frequently used lens filter that sharpens colors on overcast days and protects the lens from accidental damage.
White balancing
Adjusting a camera to compensate for the "color" of the light used to illuminate a given scene.
The opening in the iris through which light passes.
Charge-coupled device
Also called a chip. A solid-state image-sensing device replacing tubes in modern color cameras.
Depth of field
The area, beginning with the object closest to the lens which appears in focus and ending with the most distant object in the scene which is still in focus.
Electron gun
The element of a pickup tube that horizontally scans the signal plate to render picture information.
Conversion by the camera of the video signal into format(s) required by other production equipment.
A video field is one half, comprised of either the even or the odd scanned lines, of a frame. Two fields comprise one frame of video.
Fixed-focal length lenes
Also called primse lenses. These are lenses with nonadjustable focal lengths.
Focal length
Determines how wide or narrow the lens is. Shorter the length-wider the view.
A single video picture.
Smaller the number, the larger the opening of the iris.
Interlaced scanning
The alternate scanning pattern of even and odd lines used in NTSC video and 1080i digital video.
A device within a lens consisting of interwoven metallic leaves that adjust to create a larger or smaller aperture, as required to ensure proper exposure.
Long focal length lens
Any lens with a focal length greater than a normal lens; that is, lenses that make objects appear closer than when viewing with a normal lens.
Neutral density filter
A frequently used lens filter that reduces the intensity of light reaching the camera's image-sensing device without affecting color values.
The government/industry body that in 1940 assisted the Federal Communications Commision in determining standards for American analog television.
Progresive scanning
Building an image on a display screen by scanning lines in sequential order, rather than scanning alternate lines in an interlaced pattern.
An engineering term used to define and measure the sharpness and clarity of a TV picture. More lines, higher the resolution.
A digital television signal in either 4:3 or 16:9 aspect ratio providing less image resolution than HDTV.
Short focal length lenses
Any lens with a focal length less than that of a normal lens; lenses that make objecrts appear more distant than when viewing with a normal lens.
Zoom ratio
The mathematical ratio of a len's longest and shortest focal lengths.