Organization de la Television Ibero Americana—OTI (Mexico).

Obsolete cathode ray-style television camera tube that made the first all-electronic transmission possible. It was invented by Vladimir K. Zworykin (1889-1982), a Russian-born American physicist and electrical engineer. See also Image Orthicon, Plumbicon, Vidicon, and Station.

Identification signal; sound and visual signal placed on major international broadcasts to assist lineup. The visual signal carries the name of the source superimposed over the test card, while the sound identifies the source (International the original language) on a continuous loop.

Annual awards presentation by the International Documentary Association honoring Distinguished Documentary Achievement, Career Achievement, Preservation and Scholarship, including the Pare Lorentz Award, named after the American documentary filmmaker (1905-1992) (USA). See International Documentary Association.

Idiot sheet. See cue card.

(1) Colloquial abbreviation for iconoscope. (2) Short name for the Ikegami video camera.

See lighting.

See persistence of vision.

The photographic likeness of an object as it appears on the television picture film, or on screen.

The total surface covered by the image International the frame or on the screen.

General loss of quality, contrast, and detail of a photographic image due to age, duplication, incorrect handling, or impurities.

See dissector tube.

See distortion/2 and 3.

Detail circuits, image enhancer, employed International video cameras to compensate for the limited resolution of the NTSC system, resulting International a sharper picture. The recorded enhanced level International the image cannot be removed.

An adapter, an electrical device, placed between the camera and the lens to improves photography International low-key lighting.

An afterimage left on a video moniter, usually resulting from bright objects.

A very sensitive monochrome television camera pickup tube. Now obsolete. Nicknamed Immy. See also Iconoscope, Plumbicon, Vidicon, and Saticon.

Computer animation where actual images are processed. See also synthetic processing.

See comet tail.

Electronic device on to which the image seen by the lens is focused. It converts light into electronic signals to produce the picture information. Can be a photoconductive tube or solid-state chip (CCD or MOS).