File:Ludwigsburg - Altstadt - Marktplatz - Dreieinigkeitskirche - Weihnachtsbaum-Bokeh (F4).jpg

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Deutsch: Ludwigsburg, Altstadt, Dreieinigkeitskirche (vor Ort meist nur „Katholische Kirche“ genannt) am Marktplatz: absichtlich defokussierte Aufnahme des Weihnachtsbaums neben dem Altar und eines der Kirchenfenster in der Apsis.

Zugleich ein Beispielfoto für das besondere bokeh (die Qualität der Unschärfezeichnung) des Objektivs Sony FE 100mm F2.8 STF GM OSS, den smooth trans-focus-Effekt.

  • Diese Belichtung wurde abgeblendet auf T7,1 (entspricht in etwa ƒ/4) gemacht; der STF-Effekt ist bei dieser Einstellung abgeschwächt.
  • Durch die Konstruktion des Objektivs gibt es praktisch keine Vignettierung, daher bilden die Blendenbilder (blur disks, bokeh balls) bis zum Bildrand vollkommene Kreise, die bei dieser Blende einen zarten Rand und eine minimale Andeutung von Ecken zeigen.
  • Das Apodisationselement zeichnet den Unschärfebereich weich, sodass er im Idealfall keine ablenkenden scharfen Konturen zeigt und Lichtpunkte großteils verschmelzen. Trotz der Schwächung durch das Abblenden ist dies z.B. am Fenster im Hintergrund noch erkennbar.
Die Aufnahme wirkt irritierend, weil sie kein Element im Fokus enthält. Normalerweise kontrastiert der scharfes Bildgegenstand mit dem unscharfen Vorder- und Hintergrund. Darauf wurde hier verzichtet, da der Gegenstand des Bildes gerade die Unschärfezeichung ist. Darüber hinaus kann die Aufnahme ggf. als stimmungsvoller Hintergrund verwendet werden.
English: Ludwigsburg, Germany, Dreieinigkeitskirche (Trinity Church, usually just called the Catholic Church locally) on the market square: deliberately defocused shot of the Christmas tree next to the altar and one of the church windows in the apse.

At the same time an example photo for the special bokeh (the quality of the out-of-focus rendering) of the Sony FE 100mm F2.8 STF GM OSS lens, the smooth trans-focus effect.

  • This exposure was taken at T7.1 (corresponds ca. to ƒ/4); the STF effect is toned down at this setting.
  • Due to the design of the lens, there is virtually no vignetting, therefore the blur disks (a.k.a. bokeh balls, etc.) form perfect circles up to the edge of the image; at this aperture they show a delicate outline and the slightest amount of corners.
  • The apodization element softens the blurred area so that it should show no distracting sharp contours and light points largely merge. Despite the toning down of the effect at this aperture the softening can be seen e.g. at the window in the background.
The photo may bewilder the viewer at the first glance because it does not contain any focused elements. Typically, a sharp subject element contrasts with the blurred foreground and background. This has been omitted here, as the subject of the image is precisely the blur. The shot can also be used as an atmospheric background.
Date Taken on 13 January 2024, 14:35:16
Source Own work
Author Roman Eisele
Other versions
  • T5.6 = ƒ/2.8
    T5.6 = ƒ/2.8
  • T6.3 ~ ƒ/3.5
    T6.3 ~ ƒ/3.5
  • T7.1 ~ ƒ/4
    T7.1 ~ ƒ/4
  • T8 ~ ƒ/4.5
    T8 ~ ƒ/4.5
Camera location48° 53′ 50.62″ N, 9° 11′ 32.99″ E  Heading=60° Kartographer map based on OpenStreetMap.View this and other nearby images on: OpenStreetMapinfo
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Personal photo ID
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RQCB4869 (This is the reference number of this photograph in my archive. Please do not delete it, it is very useful for me! You may use this ID if you need to refer to one of my photographs.)
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© Roman Eisele / CC BY-SA 4.0
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Date/TimeThumbnailDimensionsUserComment
current20:00, 18 January 2024Thumbnail for version as of 20:00, 18 January 20246,205 × 9,000 (13.25 MB)Aristeas (talk | contribs)=={{int:filedesc}}== {{Information |description={{de|1=Ludwigsburg, Altstadt, Dreieinigkeitskirche (vor Ort meist nur „Katholische Kirche“ genannt) am Marktplatz: absichtlich defokussierte Aufnahme des Weihnachtsbaums neben dem Altar und eines der Kirchenfenster in der Apsis. Zugleich ein Beispielfoto für das besondere ''bokeh'' (die Qualität der Unschärfezeichnung) des Objektivs Sony FE 100mm F2.8 STF GM OSS, den ''[[:e...

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