Zoom Lenses Come to TV (opens in new tab)

April 19, 1947 The first public demonstration of a prototype Zoomar lens is conducted inside Studio 3H at NBC’s Rockefeller Plaza headquarters in New York City. Invented by Dr. Frank G. Back, and promoted by investor film and television producer Jerry Fairbanks, the Zoomar lens would become the first commercially successful zoom lens. A version… Zoom Lenses Come to TV is original content of This Day in Tech History.