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File:Hf-crystal bar.jpg

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Original file (5,428 × 1,544 pixels, file size: 2.86 MB, MIME type: image/jpeg)

Summary

Description
English: A sample of a 1,7kg Hafnium crystal bar, made by van Arkel-de Boer process. The real background is removed. The shadow is added via Photoshop.
Deutsch: Ein 1,7kg Abschnitt einer Hafnium "crystal bar", hergestellt nach dem van-Arkel-de-Boer-Verfahren. Das Stück wurde freigestellt und ein künstlicher Schatten via Photoshop hinzugefügt.
Français : Lingot de hafnium cristallisé, selon le procédé Van-Arkel-de-Boer. Le fond d'origine a été remplacé par un fond ombré créé à l'aide du logiciel Photoshop.
Polski: Pręt z krystalicznego hafnu otrzymany w procesie jodkowym.
Date
Source Own work
Author Alchemist-hp (talk) (www.pse-mendelejew.de)

This photo was taken by Alchemist-hp. If you use one of my photos, an email (account needed) or a message or direct to: my email account would be greatly appreciated.
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This is a retouched picture, which means that it has been digitally altered from its original version. Modifications: Focus stack with Helicon Focus of 8 images..

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 This is a featured picture on the German language Wikipedia (Exzellente Bilder) and is considered one of the finest images. See its nomination here.
 This is a featured picture on the English language Wikipedia (Featured pictures) and is considered one of the finest images. See its nomination here.
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Licensing

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This file is licensed under the Creative Commons ‘Attribution-NonCommercial-NonDerivative 3.0 (US)’
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attribution share alike
This file is licensed under the Creative Commons Attribution-Share Alike 3.0 Germany license.
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  • attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
  • share alike – If you remix, transform, or build upon the material, you must distribute your contributions under the same or compatible license as the original.
GNU head Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 only as published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled GNU Free Documentation License. 1.2 only

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inception

20 April 2009

exposure time

0.25 second

focal length

100 millimetre

File history

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Date/TimeThumbnailDimensionsUserComment
current19:32, 13 May 2012Thumbnail for version as of 19:32, 13 May 20125,428 × 1,544 (2.86 MB)Alchemist-hpa better shadow
09:49, 1 October 2010Thumbnail for version as of 09:49, 1 October 20105,428 × 1,544 (5.16 MB)Alchemist-hpother new version
20:21, 24 May 2009Thumbnail for version as of 20:21, 24 May 20095,273 × 2,185 (2.97 MB)Alchemist-hp{{Information |Description={{en|1=Hafnium crystal bar, made by Van-Arkel-de-Boer-Prozess}} {{de|1=Abschnitt einer Hafnium crystal bar, hergestellt nach dem Van-Arkel-de-Boer-Verfahren }} |Source=Eigenes Werk (own work) |Author=[[User:Alchemist-hp|Alchemis

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