Emil von Höegh

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Dagor lens

Emil von Höegh (born May 10, 1865 in Löwenberg in Silesia , † January 29, 1915 in Goslar ) was a German optician who is known for calculating a photographic lens called Dagor . The double anastigmat was patented by von Höegh in 1892. In the same year he applied to the optical institute CP Goerz , which hired him as an employee and took over the production and international sales of the lens. It was also produced under license in London. Emil von Höegh then developed further lenses, e.g. B. the Höegh meniscus named after him (concavo-convex lens with two equal surface curvatures) and in 1900 a 135-degree wide-angle lens. In 1902 he retired. In his honor, which is Mount Hoegh named in Antarctica.

Web links

Individual evidence

  1. ^ Rudolf Kingslake: A History of the Photographic Lens . Academic Press, 1989, ISBN 978-0-12-408640-1 ( google.de [accessed September 12, 2016]).
  2. ↑ John Hannavy (ed.) Encyclopedia of Nineteenth-Century Photography. Routledge Verlag , New York 2013, ISBN 978-1-13587-327-1 , p. 597.
  3. ↑ Peter Yeti: Historical Optics / Vintage Lenses. Goerz double anastigmat series III and Dagor. peter-yeti.jimdo.com. Retrieved September 13, 2016.
  4. ↑ Höegh, Emil von. In: German Biographical Encyclopedia . Volume 5, ed. by Walther Killy and Rudolf Vierhaus. Saur, Munich 1997.
personal data
SURNAME Höegh, Emil von
BRIEF DESCRIPTION German optician
DATE OF BIRTH May 10, 1865
PLACE OF BIRTH Löwenberg in Silesia
DATE OF DEATH January 29, 1915
Place of death Goslar