File:Blitze IMGP6376 wp.jpg

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Description	Deutsch: Gewitter über Unna, Deutschland. English: A thunderstorm above Unna, in Germany. Français : Un orage au dessus d'Unna, en Allemagne.
Date	21 July 2009
Source	Own work
Author	smial ( talk)

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Camera location	51° 30′ 20.77″ N, 7° 41′ 57.22″ E	This and other images at their locations on: Google Maps - Google Earth - OpenStreetMap	( Info)51.505770840477524;7.699227333068848

Image: Rainer Knäpper, License: artlibre

Flexible licenses: Feel free to choose one of the free licenses stated below. Usage ist free of charge, but this image is not in the public domain. If you would like special permission to use, or license this image please contact me to negotiate terms.

Using online: For a typical example of reusing my images look at the right. It shows the name and a link to the used license.

Using in printed media: Whether near the image or in a separate image directory, it should be specified: Photo: Rainer Knäpper, Freenbsp;Art License (http://artlibre.org/licence/lal/en)

If you care to give an indication on Wikimedia Commons, you can replace the real name with my user name, for example something like Photo: wikimedia commons by Smial. The link to the license must be accessible also in this case.

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Copyleft: This work of art is free; you can redistribute it and/or modify it according to terms of the Free Art License. You will find a specimen of this license on the Copyleft Attitude site as well as on other sites.

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

File usage

The following pages on Schools Wikipedia link to this image (list may be incomplete):

Thunderstorm

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 K10D
Exposure time	3,111/50 sec (62.22)
F-number	f/8
ISO speed rating	100
Date and time of data generation	22:16, 21 July 2009
Lens focal length	12 mm
Orientation	Normal
Horizontal resolution	72 dpi
Vertical resolution	72 dpi
Software used	K10D Ver 1.30
File change date and time	22:16, 21 July 2009
Y and C positioning	Co-sited
Exposure Program	Manual
Exif version	2.21
Date and time of digitizing	22:16, 21 July 2009
Exposure bias	0
Metering mode	Centre weighted average
Flash	Flash did not fire, compulsory flash suppression
Colour space	sRGB
Sensing method	One-chip colour area sensor
Custom image processing	Normal process
Exposure mode	Manual exposure
White balance	Manual white balance
Focal length in 35 mm film	18 mm
Scene capture type	Standard
Contrast	Normal
Saturation	Normal
Sharpness	Normal
Subject distance range	Distant view

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