St. Louis Science Center: Astronomy Fact Of The Day: November 23, 2021

St. Louis MO

24 November, 2021

9:31 AM

Description

Press release from St. Louis Science Center: 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. This press release was produced by St. Louis Science Center. The views expressed here are the author's own.