Checked content

File:Ravenna Cosmography 1889 Africa crop.jpg

Description Weltkarte des anonymen Ravennaten Reconstruction of the Ravenna Cosmography c. 600 AD using Ravenna place name list and a Ptolemic map form.
Date 2008-08-12 19:18 (UTC)
Source
Author
  • derivative work: T L Miles ( talk)


Applications-graphics.svg This is a retouched picture, which means that it has been digitally altered from its original version. Modifications: crop showing Africa, lightened, regularised colours. The original can be viewed here: Karte_Ravennat.jpg. Modifications made by T L Miles.


Public domain This image (or other media file) is in the public domain because its copyright has expired.

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Dialog-warning.svg You must also include a United States public domain tag to indicate why this work is in the public domain in the United States. Note that a few countries have copyright terms longer than 70 years: Mexico has 100 years, Colombia has 80 years, and Guatemala and Samoa have 75 years, Russia has 74 years for some authors. This image may not be in the public domain in these countries, which moreover do not implement the rule of the shorter term. Côte d'Ivoire has a general copyright term of 99 years and Honduras has 75 years, but they do implement the rule of the shorter term.
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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 Panasonic
Camera model DMC-FZ30
Exposure time 1/125 sec (0.008)
F-number f/5.6
ISO speed rating 400
Date and time of data generation 15:57, 13 May 2008
Lens focal length 8.8 mm
Orientation Normal
Horizontal resolution 72 dpi
Vertical resolution 72 dpi
Software used Ver.1.0
File change date and time 15:57, 13 May 2008
Y and C positioning Co-sited
Exposure Program Normal program
Exif version 2.2
Date and time of digitizing 15:57, 13 May 2008
Image compression mode 4
Exposure bias 0
Maximum land aperture 3 APEX (f/2.83)
Metering mode Centre weighted average
Light source Unknown
Flash Flash did not fire, compulsory flash suppression
Colour space sRGB
Sensing method One-chip colour area sensor
Custom image processing Normal process
Exposure mode Auto exposure
White balance Auto white balance
Digital zoom ratio 0
Focal length in 35 mm film 42 mm
Scene capture type Standard
Contrast Normal
Saturation Normal
Sharpness Normal

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