EN: Ground loop


Picture interference -- either black shadow bar onscreen or tearing in the top corner of the picture -- caused by video cable ends having differing ground potential (causing AC current). Prevented by ground loop insulators.
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Ground glass screen

Flat sheet of glass in a camera treated so that it can be used for viewing and focusing an image, also known as the Viewing screen. .

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Ground glass:

A specially prepared glass used as the focusing screen in cameras.

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Layer of preparation on a support to receive paint. Also: in etching, the acid-resistant material spread over the metal plate before the design is etched. Also: in pottery, the clay forming the body of a vessel on which a design is executed.

Cel Mai folosit cuvant: also | Domeniu Aplicare : Arta | Caractere: 192 Cuvinte: 42 | Limba: Engleza | Sursa Vizual Art Cork