File:Alumina.jpg

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Chemically pure activated alumina, an uncut sapphire and an uncut ruby (natural, not gem quality). Photograph by BJ Kühn

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	09:47, 20 February 2013		2,147 × 1,431 (1.01 MB)	ChristiaanK (talk \| contribs)	Chemically pure activated alumina, an uncut sapphire and an uncut ruby (natural, not gem quality). Photograph by BJ Kühn

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Camera manufacturer	Canon
Camera model	Canon EOS 1100D
Author	Johann Kuhn
Exposure time	1/80 sec (0.0125)
F Number	f/13
ISO speed rating	800
Date and time of data generation	18:27, 20 February 2013
Lens focal length	55 mm
Orientation	Normal
Horizontal resolution	72 dpi
Vertical resolution	72 dpi
File change date and time	19:45, 20 February 2013
Y and C positioning	Co-sited
Exposure Program	Aperture priority
Exif version	2.3
Date and time of digitizing	18:27, 20 February 2013
APEX shutter speed	6.375
APEX aperture	7.375
APEX exposure bias	0
Metering mode	Pattern
Flash	Flash did not fire, compulsory flash suppression
DateTime subseconds	60
DateTimeOriginal subseconds	60
DateTimeDigitized subseconds	60
Color space	sRGB
Focal plane X resolution	4,720.4419889503
Focal plane Y resolution	4,786.5546218487
Focal plane resolution unit	inches
Custom image processing	Normal process
Exposure mode	Auto exposure
White balance	Auto white balance
Scene capture type	Standard