File:StellaOctangulaNumber.jpg
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Size of this preview: 750 × 600 pixels. Other resolutions: 300 × 240 pixels | 600 × 480 pixels | 960 × 768 pixels | 1,280 × 1,024 pixels | 2,560 × 2,048 pixels | 2,843 × 2,274 pixels.
Original file (2,843 × 2,274 pixels, file size: 1.42 MB, MIME type: image/jpeg)
File information
Structured data
Captions
Summary
[edit]DescriptionStellaOctangulaNumber.jpg | |
Date | |
Source | Own work |
Author | David Eppstein |
Licensing
[edit]I, the copyright holder of this work, hereby publish it under the following license:
This file is licensed under the Creative Commons Attribution-Share Alike 3.0 Unported license.
- You are free:
- to share – to copy, distribute and transmit the work
- to remix – to adapt the work
- Under the following conditions:
- attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
- share alike – If you remix, transform, or build upon the material, you must distribute your contributions under the same or compatible license as the original.
File history
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Date/Time | Thumbnail | Dimensions | User | Comment | |
---|---|---|---|---|---|
current | 00:43, 27 December 2011 | 2,843 × 2,274 (1.42 MB) | David Eppstein (talk | contribs) | {{Information |Description ={{en|1=Stella octangula number formed from 124 magnetic balls}} |Source ={{own}} |Author =David Eppstein |Date =2011-12-26 |Permission = | |
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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 | Canon |
---|---|
Camera model | Canon EOS 40D |
Exposure time | 1/2 sec (0.5) |
F-number | f/16 |
ISO speed rating | 100 |
Date and time of data generation | 17:03, 26 December 2011 |
Lens focal length | 153 mm |
Orientation | Normal |
Horizontal resolution | 284.3 dpi |
Vertical resolution | 284.3 dpi |
Software used | Adobe Photoshop CS5 Macintosh |
File change date and time | 16:41, 26 December 2011 |
Exposure Program | Aperture priority |
Exif version | 2.21 |
Date and time of digitizing | 17:03, 26 December 2011 |
APEX shutter speed | 1 |
APEX aperture | 8 |
APEX exposure bias | 0.66666666666667 |
Maximum land aperture | 3 APEX (f/2.83) |
Subject distance | 36.8 meters |
Metering mode | Pattern |
Flash | Flash did not fire, compulsory flash suppression |
DateTime subseconds | 00 |
DateTimeOriginal subseconds | 00 |
DateTimeDigitized subseconds | 00 |
Color space | sRGB |
Focal plane X resolution | 4,438.3561643836 |
Focal plane Y resolution | 4,445.9691252144 |
Focal plane resolution unit | inches |
Custom image processing | Normal process |
Exposure mode | Auto exposure |
White balance | Auto white balance |
Scene capture type | Standard |
Serial number of camera | 1120713332 |
Lens used | EF70-200mm f/2.8L IS USM |
Rating (out of 5) | 0 |
Date metadata was last modified | 08:41, 26 December 2011 |
Unique ID of original document | A54884D10E56EEB7E448B7A3F487846B |