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St. Louis Science Center: Astronomy Fact Of The Day: November 23, 2021
Today in 1948, the first US patent for a lens to provide zoom effects for television cameras was issued to F.G. Back. His Zoomar lens wa ...
November 23, 2021
Today in 1948, the first US patent for a lens to provide zoom effects for television cameras was issued to F.G. Back. His Zoomar lens was adjustable for closeups or long-distance shots without requiring the camera be moved toward or away from the object televised. Similar zoom lenses have a wide variety of applications, including extensive use in planetariums.
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This press release was produced by St. Louis Science Center. The views expressed here are the author’s own.