User contributions for KoeppiK

A user with 84 edits. Account created on 13 December 2007.
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29 January 2022

27 September 2020

6 January 2020

  • 16:4616:46, 6 January 2020 diff hist +829 N File:Man wearing black tie.jpg {{Information |description ={{en|1=This picture shows a man wearing a dinner suit. The jacket is single-breasted with a shawl lapel. Over the buttons of the jacket a small part of the cummerbund is visible. The shoes are a pair of oxfords.}} {{de|1=Dieses Bild zeigt einen Mann der einen Smoking trägt. Das Smokingjackett ist einreihig, das Revers des Smokingjacketts als Schalfasson ausgeführt. Über den Knöpfen des Smokingjacketts erkennt man einen kleinen Teil des Kummerbunds. Die Schuhe sin...

18 April 2019

  • 20:4320:43, 18 April 2019 diff hist +1,511 N File:Lenses with different apertures.jpg {{Information |description ={{en|1=This pictures shows a lens with focal length of 50 mm and different aperture settings. Changing the aperture by one stop changes the aperture area by a factor of 2 (the area at stop f/1.4 is twice as big as the area at stop f/2.0). Each stop is specified by the diameter of the aperture as fraction of the focal length. At stop f/1.4 the aperture has a diameter of 50 mm/1.4 ~ 35.7 mm. The diameter as well as the fraction changes by a factor of square root tw...

4 November 2018

17 June 2018

11 June 2018

6 April 2015

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