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![File:Pottery boat from Eastern Han Dynasty showing rudder.jpg](https://upload.wikimedia.org/wikipedia/commons/thumb/c/c2/Pottery_boat_from_Eastern_Han_Dynasty_showing_rudder.jpg/800px-Pottery_boat_from_Eastern_Han_Dynasty_showing_rudder.jpg)
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Summary
DescriptionPottery boat from Eastern Han Dynasty showing rudder.jpg |
English: I took this photo at the National Museum in Beijing. From the Eastern Han dynasty 25-220 CE. Guangzhou. Said to be the earliest known representation of a rudder. This craft could be used both on rivers and at sea. Note the roofed compartments with doors and windows and sailors |
Date | |
Source | Own work |
Author | John Hill |
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I, the copyright holder of this work, hereby publish it under the following license:
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This file is licensed under the Creative Commons Attribution-Share Alike 3.0 Unported license.
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inception
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Date/Time | Thumbnail | Dimensions | User | Comment | |
---|---|---|---|---|---|
current | 02:11, 13 July 2014 | ![]() | 1,024 × 371 (302 KB) | John Hill | User created page with UploadWizard |
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Metadata
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Camera manufacturer | Panasonic |
---|---|
Camera model | DMC-FH25 |
Exposure time | 1/8 sec (0.125) |
F-number | f/3.8 |
ISO speed rating | 500 |
Date and time of data generation | 21:04, 8 June 2011 |
Lens focal length | 8.4 mm |
Horizontal resolution | 96 dpi |
Vertical resolution | 96 dpi |
Software used | paint.net 4.0 |
File change date and time | 21:04, 8 June 2011 |
Y and C positioning | Co-sited |
Exposure Program | Normal program |
Exif version | 2.3 |
Date and time of digitizing | 21:04, 8 June 2011 |
Meaning of each component |
|
Image compression mode | 4 |
Exposure bias | 0 |
Maximum land aperture | 3.8515625 APEX (f/3.8) |
Metering mode | Pattern |
Light source | Unknown |
Flash | Flash did not fire, compulsory flash suppression |
Supported Flashpix version | 1 |
Color space | sRGB |
Sensing method | One-chip color area sensor |
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 | 47 mm |
Scene capture type | Standard |
Scene control | High gain up |
Contrast | Normal |
Saturation | Normal |
Sharpness | Normal |
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