Checked content

File:Echinosphaerites.JPG

Description The Ordovician cystoid Echinosphaerites (an extinct echinoderm) from northeastern Estonia; approximately 5 cm in diameter.
Date 2007-10-21 (original upload date)
Source Photograph taken by Mark A. Wilson (Department of Geology, The College of Wooster).
Author Original uploader was Wilson44691 at en.wikipedia
Permission
( Reusing this file)

Released into the public domain (by the author).

Licensing

PD-icon.svg This work has been released into the public domain by its author, Wilson44691 at the wikipedia project. This applies worldwide.

In case this is not legally possible:
Wilson44691 grants anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law.
The following pages on Schools Wikipedia link to this image (list may be incomplete):

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 NIKON
Camera model E4500
Exposure time 1/68 sec (0.014705882352941)
F-number f/4.4
ISO speed rating 100
Date and time of data generation 11:38, 16 October 2007
Lens focal length 12.6 mm
Orientation Normal
Horizontal resolution 300 dpi
Vertical resolution 300 dpi
Software used Adobe Photoshop CS Macintosh
File change date and time 14:21, 3 January 2009
Y and C positioning Co-sited
Exposure Program Normal program
Exif version 2.2
Date and time of digitizing 11:38, 16 October 2007
Image compression mode 3
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
Colour space sRGB
Custom image processing Normal process
Exposure mode Auto exposure
White balance Auto white balance
Digital zoom ratio 0
Focal length in 35 mm film 60 mm
Scene capture type Standard
Contrast Normal
Saturation Normal
Sharpness Normal
Subject distance range Unknown

Background information

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