Checked content

File:Protaraea.jpg

Summary

Description
English: Protaraea richmondensis, a heliolitid coral, covering a gastropod; Cincinnatian (Upper Ordovician) of southeastern Indiana.
Date 23 November 2008
Source Own work
Author Wilson44691

Photograph taken by Mark A. Wilson (Department of Geology, The College of Wooster). Specimen collected by Stephanie Jarvis, a Geology & Biology double major at The College of Wooster.

Licensing

Public domain I, the copyright holder of this work, release this work into the public domain. This applies worldwide.
In some countries this may not be legally possible; if so:
I grant 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 10/227 sec (0.044052863436123)
F-number f/4.9
ISO speed rating 100
Date and time of data generation 11:23, 23 November 2008
Lens focal length 30.2 mm
Orientation Normal
Horizontal resolution 300 dpi
Vertical resolution 300 dpi
Software used Adobe Photoshop CS Macintosh
File change date and time 11:33, 23 November 2008
Y and C positioning Co-sited
Exposure Program Normal program
Exif version 2.2
Date and time of digitizing 11:23, 23 November 2008
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 146 mm
Scene capture type Standard
Contrast Normal
Saturation Normal
Sharpness Normal
Subject distance range Unknown

More information

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