File:CannelCoalWhite.jpg

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Summary[edit]

Summary
Description	Cannel coal specimen from the Pennsylvanian of northeastern Ohio. Scale bar is 1.0 cm.
Source	Wikimedia Commons file page
Author	Wilson44691
Permission	See original Commons license details.

Public Domain

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Original attribution and file history: Wikimedia Commons

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	03:26, 5 June 2026		2,100 × 1,336 (940 KB)	Maintenance script (talk \| contribs)	== Summary == Importing file

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Camera manufacturer	NIKON
Camera model	E4500
Exposure time	5/331 sec (0.015105740181269)
F Number	f/3.8
ISO speed rating	100
Date and time of data generation	10:11, 17 December 2008
Lens focal length	11.5 mm
Orientation	Normal
Horizontal resolution	300 dpi
Vertical resolution	300 dpi
Software used	Adobe Photoshop CS Macintosh
File change date and time	19:56, 25 December 2008
Y and C positioning	Co-sited
Exposure Program	Normal program
Exif version	2.2
Date and time of digitizing	10:11, 17 December 2008
Meaning of each component	Y Cb Cr does not exist
Image compression mode	3
APEX exposure bias	0
Maximum land aperture	2.8 APEX (f/2.64)
Metering mode	Pattern
Light source	Unknown
Flash	Flash did not fire, compulsory flash suppression
Supported Flashpix version	1
Color space	sRGB
File source	Digital still camera
Scene type	A directly photographed image
Custom image processing	Normal process
Exposure mode	Auto exposure
White balance	Auto white balance
Digital zoom ratio	0
Focal length in 35 mm film	55 mm
Scene capture type	Standard
Scene control	None
Contrast	Normal
Saturation	Normal
Sharpness	Normal
Subject distance range	Unknown
Supported Flashpix version	1
Image width	2,100 px
Image height	1,336 px
Date metadata was last modified	14:56, 25 December 2008
IIM version	2