File:Fluorescent minerals hg.jpg
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English: Collection of various fluorescent minerals under ultraviolet UV-A, UV-B and UV-C light. Chemicals in the rocks absorb the ultraviolet light and emit visible light of various colors, a process called fluorescence.
Français : Divers minéraux fluorescents
Deutsch: Verschiedene fluoreszierende Minerale unter UV-Licht
|Date||7 April 2005|
|Author||Hannes Grobe ( Hgrobe 06:16, 26 April 2006 (UTC))|
( Reusing this file)
free use, share alike and quote author
This image has been assessed using the Quality image guidelines and is considered a Quality image.
|Camera model||DIGILUX 2|
|Exposure time||1/2 sec (0.5)|
|ISO speed rating||100|
|Date and time of data generation||00:11, 29 May 2005|
|Lens focal length||17 mm|
|Horizontal resolution||72 dpi|
|Vertical resolution||72 dpi|
|Software used||Adobe Photoshop 7.0|
|File change date and time||14:17, 11 February 2006|
|Y and C positioning||Co-sited|
|Date and time of digitizing||00:11, 29 May 2005|
|Image compression mode||8|
|Maximum land aperture||2 APEX (f/2)|
|Metering mode||Centre weighted average|
|Light source||Fine weather|
|Flash||Flash did not fire, compulsory flash suppression|
|Sensing method||One-chip colour area sensor|
|Custom image processing||Normal process|
|Exposure mode||Auto exposure|
|White balance||Manual white balance|
|Digital zoom ratio||0|
|Focal length in 35 mm film||68 mm|
|Scene capture type||Standard|
|Subject distance range||Close view|
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