File:NMAH_DC_-_IMG_8738.JPG
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Original file (3,245 × 1,641 pixels, file size: 1.55 MB, MIME type: image/jpeg)
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Summary
DescriptionNMAH DC - IMG 8738.JPG | Surveyor's chain, New York state, USA, circa 1830. Exhibit in National Museum of American History, Washington, DC, USA. |
Date | |
Source | Self-photographed |
Author | Daderot |
Permission (Reusing this file) |
Public domain. |
Licensing
Public domainPublic domainfalsefalse |
I, the copyright holder of this work, release this work into the public domain. This applies worldwide. In some countries this may not be legally possible; if so: I grant anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law. |
Items portrayed in this file
depicts
18 January 2011
0.125 second
3.5
7.564 millimetre
200
image/jpeg
File history
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Date/Time | Thumbnail | Dimensions | User | Comment | |
---|---|---|---|---|---|
current | 16:17, 30 January 2011 | 3,245 × 1,641 (1.55 MB) | Daderot |
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Metadata
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Camera manufacturer | Canon |
---|---|
Camera model | Canon PowerShot SD870 IS |
Exposure time | 1/8 sec (0.125) |
F-number | f/3.5 |
ISO speed rating | 200 |
Date and time of data generation | 15:07, 18 January 2011 |
Lens focal length | 7.564 mm |
Horizontal resolution | 180 dpi |
Vertical resolution | 180 dpi |
Software used | Picasa |
File change date and time | 15:07, 18 January 2011 |
Y and C positioning | Centered |
Exif version | 2.2 |
Date and time of digitizing | 15:07, 18 January 2011 |
Image compression mode | 5 |
Shutter speed | 3 |
APEX aperture | 3.625 |
Exposure bias | 0 |
Maximum land aperture | 3.625 APEX (f/3.51) |
Metering mode | Pattern |
Flash | Flash did not fire, compulsory flash suppression |
Color space | sRGB |
Focal plane X resolution | 14,506.666666667 |
Focal plane Y resolution | 14,485.207100592 |
Focal plane resolution unit | inches |
Sensing method | One-chip color area sensor |
Custom image processing | Normal process |
Exposure mode | Auto exposure |
White balance | Auto white balance |
Digital zoom ratio | 1 |
Scene capture type | Standard |
Unique image ID | 41e670c5e6bbe85704b8f32c9ec8a505 |
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