File:Hf-crystal bar.jpg

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Summario

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.
Data
Origine Obra proprie
Autor 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 English language Wikipedia (Featured pictures) and is considered one of the finest images. See its nomination here.
 This is a featured picture on the Polish language Wikipedia (Ilustracja na medal) and is considered one of the finest images. See its nomination here.

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copyright status anglese

copyrighted anglese

inception anglese

20 april 2009

exposure time anglese

0,25 secunda

f-number anglese

8

focal length anglese

100 millimetro

ISO speed anglese

200

Historia del file

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Data/HoraMiniaturaDimensionesUsatorCommento
actual19:32, 13 maio 2012Miniatura pro le version de 19:32, 13 maio 20125 428 × 1 544 (2,86 MB)Alchemist-hpa better shadow
09:49, 1 octobre 2010Miniatura pro le version de 09:49, 1 octobre 20105 428 × 1 544 (5,16 MB)Alchemist-hpother new version
20:21, 24 maio 2009Miniatura pro le version de 20:21, 24 maio 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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