File:Bolyai-arckép.JPG
Original file (939 × 1,344 pixels, file size: 185 KB, MIME type: image/jpeg)
Captions
Summary
[edit]DescriptionBolyai-arckép.JPG |
János Bolyai, Hungarian mathematician. Reconstructed portrait made by Attila Zsigmond (painter living in Marosvásárhely), using Bolyai contemporary texts and other sources. Picture can be found in the Bolyai Museum, Marosvásárhely. Own photo. Gubbubu 07:39, 31 July 2006 (UTC) |
Date | 31 July 2006 (original upload date) |
Source | No machine-readable source provided. Own work assumed (based on copyright claims). |
Author | No machine-readable author provided. Gubbubu assumed (based on copyright claims). |
Licensing
[edit]Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled GNU Free Documentation License.http://www.gnu.org/copyleft/fdl.htmlGFDLGNU Free Documentation Licensetruetrue |
This file is licensed under the Creative Commons Attribution-Share Alike 3.0 Unported license. | ||
| ||
This licensing tag was added to this file as part of the GFDL licensing update.http://creativecommons.org/licenses/by-sa/3.0/CC BY-SA 3.0Creative Commons Attribution-Share Alike 3.0truetrue |
File history
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Date/Time | Thumbnail | Dimensions | User | Comment | |
---|---|---|---|---|---|
current | 23:42, 19 July 2011 | 939 × 1,344 (185 KB) | Materialscientist (talk | contribs) | change perspective, crop frame, contrast | |
07:39, 31 July 2006 | 1,196 × 1,621 (151 KB) | Gubbubu (talk | contribs) | Own photo. ~~~~ Category:Hungarian people |
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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 | Hewlett-Packard |
---|---|
Camera model | hp photosmart 735 |
Exposure time | 11,547/1,000,000 sec (0.011547) |
F-number | f/3.91 |
ISO speed rating | 141 |
Date and time of data generation | 03:07, 16 January 2003 |
Lens focal length | 11.5 mm |
Horizontal resolution | 96 dpi |
Vertical resolution | 96 dpi |
Software used | GIMP 2.6.11 |
Y and C positioning | Co-sited |
Custom image processing | Normal process |
Exposure mode | Auto exposure |
White balance | Auto white balance |
Digital zoom ratio | 0 |
Scene capture type | Standard |
Saturation | Normal |
Sharpness | Hard |
Subject distance range | Unknown |
Exposure Program | Normal program |
Exif version | 2.2 |
Date and time of digitizing | 03:07, 16 January 2003 |
Image compression mode | 2.41 |
APEX shutter speed | 6.43 |
APEX aperture | 3.93 |
APEX brightness | 1.47 |
APEX exposure bias | 0 |
Maximum land aperture | 6.36 APEX (f/9.06) |
Subject distance | 0.69 meters |
Metering mode | Center weighted average |
Light source | Flash |
Flash | Flash fired, auto mode |
Color space | sRGB |