File:Helium discharge tube.jpg

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Summary

Description	English: Spectrum = gas discharge tube: the noble gas: helium He. Used with 1,8kV, 18mA, 35kHz. ≈8" length. Deutsch: Spektralröhre = Gasentladungsröhre des Edelgases: Helium He. Betrieb mit: 1,8kV, 18mA, 35kHz. Länge ≈20cm. Română: Spectru la descărcarea în gaze pentru gazul nobil heliu He. Condiţii: 1,8kV, 18mA, 35kHz. Lungime ≈0,2m.
Date	6 October 2006
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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Licensing

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.

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This file is licensed under the Creative Commons ‘Attribution-NonCommercial-NonDerivative 3.0 (US)’
Licence: http://creativecommons.org/licenses/by-nc-nd/3.0/
Diese Datei steht unter der Lizenz Creative Commons „Namensnennung-keine kommerzielle Nutzung-keine Bearbeitung 3.0 US“
Lizenz: http://creativecommons.org/licenses/by-nc-nd/3.0/deed.de

File usage

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Metadata

This file contains additional information, probably added from the digital camera or scanner used to create or digitize it. If the file has been modified from its original state, some details may not fully reflect the modified file.

Camera manufacturer	PENTAX Corporation
Camera model	PENTAX *ist D
Exposure time	1/45 sec (0.022222222222222)
F-number	f/4.5
ISO speed rating	800
Date and time of data generation	00:14, 6 October 2006
Lens focal length	34 mm
Orientation	Normal
Horizontal resolution	72 dpi
Vertical resolution	72 dpi
Software used	ACD Systems Digital Imaging
File change date and time	22:06, 28 February 2010
Y and C positioning	Centered
Exposure Program	Normal program
Exif version	2.2
Date and time of digitizing	00:14, 6 October 2006
Exposure bias	0
Metering mode	Pattern
Flash	Flash did not fire, compulsory flash suppression
DateTime subseconds	453
Colour space	Uncalibrated
Sensing method	One-chip colour area sensor
Custom image processing	Normal process
Exposure mode	Auto exposure
White balance	Auto white balance
Focal length in 35 mm film	51 mm
Scene capture type	Standard
Contrast	Hard
Saturation	High saturation
Sharpness	Hard
Subject distance range	Macro

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