File:Petroxestes pera Ordovician Ohio.jpg
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Size of this preview: 800 × 472 pixels. Other resolutions: 320 × 189 pixels | 640 × 377 pixels | 1,024 × 604 pixels | 1,280 × 755 pixels | 2,560 × 1,510 pixels | 3,480 × 2,052 pixels.
Original file (3,480 × 2,052 pixels, file size: 6.72 MB, MIME type: image/jpeg)
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Structured data
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Summary
[edit]DescriptionPetroxestes pera Ordovician Ohio.jpg |
English: Petroxestes pera, a bivalve boring on a hardground in the Whitewater Formation (Upper Ordovician), Caesar Creek Lake emergency spillway, Ohio. |
Date | |
Source | Own work |
Author | Wilson44691 |
Photograph taken by Mark A. Wilson (Department of Geology, The College of Wooster).[1]
Licensing
[edit]Public domainPublic domainfalsefalse |
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. |
File history
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Date/Time | Thumbnail | Dimensions | User | Comment | |
---|---|---|---|---|---|
current | 05:45, 28 January 2013 | 3,480 × 2,052 (6.72 MB) | Slick-o-bot (talk | contribs) | Bot: convert to a non-interlaced jpeg (see bug #17645) | |
12:12, 17 December 2009 | 3,480 × 2,052 (6.17 MB) | Wilson44691 (talk | contribs) | {{Information |Description={{en|1=''Petroxestes pera'', a bivalve boring on a hardground in the Whitewater Formation (Upper Ordovician), Caesar Creek Lake emergency spillway, Ohio.}} |Source={{own}} |Author=Wilson44691 |Date=2009-12-1 |
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Metadata
This file contains additional information such as Exif metadata which may have been added by the digital camera, scanner, or software program used to create or digitize it. If the file has been modified from its original state, some details such as the timestamp may not fully reflect those of the original file. The timestamp is only as accurate as the clock in the camera, and it may be completely wrong.
Camera manufacturer | NIKON |
---|---|
Camera model | COOLPIX P90 |
Exposure time | 1,298,701/100,000,000 sec (0.01298701) |
F-number | f/3.5 |
ISO speed rating | 341 |
Date and time of data generation | 08:55, 16 December 2009 |
Lens focal length | 9.2 mm |
Orientation | Normal |
Horizontal resolution | 300 dpi |
Vertical resolution | 300 dpi |
Software used | Adobe Photoshop CS Macintosh |
File change date and time | 07:06, 17 December 2009 |
Y and C positioning | Centered |
Exposure Program | Normal program |
Exif version | 2.2 |
Date and time of digitizing | 08:55, 16 December 2009 |
Meaning of each component |
|
APEX exposure bias | 0 |
Maximum land aperture | 3 APEX (f/2.83) |
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 | 52 mm |
Scene capture type | Standard |
Scene control | High gain up |
Contrast | Normal |
Saturation | Normal |
Sharpness | Normal |
Subject distance range | Unknown |
Supported Flashpix version | 1 |
Image width | 3,480 px |
Image height | 2,052 px |
Date metadata was last modified | 02:06, 17 December 2009 |
IIM version | 2 |