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Aluminium bar surface etched
 

 

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English: Bar of (Al) Aluminium crystal growth raw material, with visible dendrites on the macroetched surface, purity 99,9998 %, sector size about 55 × 37 mm (from the collection of Ethan Currens).
Français : Une barre d'Aluminium (Al), avec une surface dépolie à l'acide pour en révéler la structure. Pureté: 99,9998 %, taille de la portion photographiée : 55 × 37 mm environ.
Deutsch: Sichtbare Strukturen auf der Oberfläche eines geätzten (Al) Aluminium-Barrens, Reinheit 99,9998 %, Ausschnittsgröße ca. 55 × 37 mm.
Ελληνικά: (Al) ράβδος αλουμινίου, ορατές δομές σε μια χαραγμένη επιφάνεια, καθαρότητα 99.9998 %, μέγεθος τομέα για 55 Γ ? 37 χιλ.
Italiano: Dettaglio superficiale (55 × 37 mm) di una barra di alluminio (purezza ≥ 99,9998%). La superficie è stata pulita mediante attacco chimico con acido (etching o mordenzatura) in modo da evidenziare, anche a occhio nudo, la struttura dei cristalliti metallici.
Date
Source Own work
Author Alchemist-hp (talk) (www.pse-mendelejew.de)
Camera Model Canon 5D Mark II
Lens Canon EF 100mm
Notes made by focus stacking software from 5x single shots
Applications-graphics.svg This is a retouched picture, which means that it has been digitally altered from its original version. Modifications: Focus stack with Helicon Focus of 5 images..

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English: (Al) Aluminium bar, visible structures at an etched surface, purity 99,9998%, sector size about 55mm * 37mm

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Lizenz: https://creativecommons.org/licenses/by-nc-nd/3.0/deed.de
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Photo's description:

Bar of (Al) Aluminium crystal growth raw material, with visible dendrites on the macroetched surface, purity 99,9998 %, sector size about 55 × 37 mm (from the collection of Ethan Currens). Français : Une barre d'Aluminium (Al), avec une surface dépolie à l'acide pour en révéler la structure. Pureté: 99,9998 %, taille de la portion photographiée : 55 × 37 mm environ. Deutsch: Sichtbare Strukturen auf der Oberfläche eines geätzten (Al) Aluminium-Barrens, Reinheit 99,9998 %, Ausschnittsgröße ca. 55 × 37 mm. Ελληνικά: (Al) ράβδος αλουμινίου, ορατές δομές σε μια χαραγμένη επιφάνεια, καθαρότητα 99.9998 %, μέγεθος τομέα για 55 Γ ? 37 χιλ. Italiano: Dettaglio superficiale (55 × 37 mm) di una barra di alluminio (purezza ≥ 99,9998%). La superficie è stata pulita mediante attacco chimico con acido (etching o mordenzatura) in modo da evidenziare, anche a occhio nudo, la struttura dei cristalliti metallici.

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EXIF data:
File name aluminium_bar_surface_etched.jpg
Size, Mbytes 23.539708007813
Mime type image/jpeg
Camera manufacturer Canon
Camera model Canon EOS 5D Mark II
Orientation of image 1
Image resolution in width direction 72
Image resolution in height direction 72
Unit of X and Y resolution 2
Exposure time 1/25 sec (0.04)
F number f / 4.5
Exposure program 3
ISO speed rating 200
Exif version 0221
Lens focal length 100 mm
Date and time original image was generated 2009:08:27 11:46:12
Date and time image was made digital data 2009:08:27 11:46:12
Meaning of each component 
Shutter speed 4.625
Aperture 4.375
Exposure bias 0
Metering mode 2
User comments UNICODECanon EF 100mm 1:2,8 Macro USM
Supported Flashpix version 0100
Color space information 1
Exif image width 5616
Exif image length 3744
Focal plane X resolution 3849.2117888965
Focal plane Y resolution 3908.1419624217
Focal plane resolution unit 2
White balance 1
Software used Adobe Photoshop CS4 Windows
Copyright holder www.pse-mendelejew.de




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