File:徐光启书信.jpg
Original file (4,160 × 3,120 pixels, file size: 2.63 MB, MIME type: image/jpeg)
Captions
Summary
[edit]Description徐光启书信.jpg |
中文(中国大陆):徐光启书信 |
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Date | ||||||||||||||||||||||||
Source |
institution QS:P195,Q779273 |
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Author |
creator QS:P170,Q420427 |
Licensing
[edit]
This is a faithful photographic reproduction of a two-dimensional, public domain work of art. The work of art itself is in the public domain for the following reason:
The official position taken by the Wikimedia Foundation is that "faithful reproductions of two-dimensional public domain works of art are public domain".
This photographic reproduction is therefore also considered to be in the public domain in the United States. In other jurisdictions, re-use of this content may be restricted; see Reuse of PD-Art photographs for details. |
File history
Click on a date/time to view the file as it appeared at that time.
Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 06:03, 13 July 2018 | 4,160 × 3,120 (2.63 MB) | DreamerBlue (talk | contribs) | User created page with UploadWizard |
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File usage on Commons
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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 | HUAWEI |
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Camera model | KIW-AL10 |
Exposure time | 1/15 sec (0.066666666666667) |
F-number | f/2 |
ISO speed rating | 1,258 |
Date and time of data generation | 14:36, 7 July 2018 |
Lens focal length | 2.96 mm |
Orientation | Normal |
Horizontal resolution | 72 dpi |
Vertical resolution | 72 dpi |
File change date and time | 14:36, 7 July 2018 |
Y and C positioning | Centered |
Exif version | 2.2 |
Date and time of digitizing | 14:36, 7 July 2018 |
Meaning of each component |
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APEX shutter speed | 3.906 |
APEX aperture | 2 |
APEX exposure bias | 0 |
Flash | Flash did not fire, compulsory flash suppression |
DateTime subseconds | 548276 |
DateTimeOriginal subseconds | 548276 |
DateTimeDigitized subseconds | 548276 |
Supported Flashpix version | 1 |
Color space | sRGB |
Exposure index | 383 |
White balance | Auto white balance |
Focal length in 35 mm film | 28 mm |
Scene control | 12 |
GPS time (atomic clock) | 06:36 |
GPS date | 7 July 2018 |