File:NPG-NPG_74_75Douglass_d1.tif
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Size of this JPG preview of this TIF file: 459 × 599 pixels. Other resolutions: 184 × 240 pixels | 367 × 480 pixels | 588 × 768 pixels | 784 × 1,024 pixels | 1,568 × 2,048 pixels | 3,215 × 4,198 pixels.
Original file (3,215 × 4,198 pixels, file size: 77.26 MB, MIME type: image/tiff)
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Summary
DescriptionNPG-NPG 74 75Douglass d1.tif |
English: Quarter-plate ambrotype of Frederick Douglass. Image dimensions: 10.6 x 8.6 cm (4 3/16 x 3 3/8"). |
Date | |
Source | National Portrait Gallery, Smithsonian Institution, Object NPG.74.75 |
Author | Unknown authorUnknown author |
Other versions |
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Licensing
Public domainPublic domainfalsefalse |
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This work is in the public domain in the United States because it was published (or registered with the U.S. Copyright Office) before January 1, 1929.
![]() Public domain works must be out of copyright in both the United States and in the source country of the work in order to be hosted on the Commons. If the work is not a U.S. work, the file must have an additional copyright tag indicating the copyright status in the source country.
Note: This tag should not be used for sound recordings.PD-1923Public domain in the United States//commons.wikimedia.org/wiki/File:NPG-NPG_74_75Douglass_d1.tif |
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Date/Time | Thumbnail | Dimensions | User | Comment | |
---|---|---|---|---|---|
current | 03:06, 27 February 2020 | ![]() | 3,215 × 4,198 (77.26 MB) | Kaldari | User created page with UploadWizard |
File usage
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Metadata
This file contains additional information, probably added from the digital camera or scanner used to create or digitize it.
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Image title | Frederick Douglass |
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Camera manufacturer | Hasselblad |
Camera model | Hasselblad H4D-200MS |
Copyright holder | National Portrait Gallery, Smithsonian Institution, Washington DC, USA |
Exposure time | 1/90 sec (0.011111111111111) |
F-number | f/16 |
ISO speed rating | 50 |
Date and time of data generation | 2015-09-02T13:03:33 |
Lens focal length | 120 mm |
Width | 3,215 px |
Height | 4,198 px |
Bits per component |
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Compression scheme | Uncompressed |
Pixel composition | RGB |
Image data location | 29,318 |
Orientation | Normal |
Number of components | 3 |
Number of rows per strip | 4,198 |
Bytes per compressed strip | 80,979,420 |
Horizontal resolution | 400 dpi |
Vertical resolution | 400 dpi |
Data arrangement | chunky format |
Software used | Adobe Photoshop 21.0 (Macintosh) |
File change date and time | 16:45, 9 January 2020 |
Exposure Program | Manual |
Exif version | 2.1 |
Date and time of digitizing | 2015-09-02T13:03:33 |
Shutter speed | 6.4918530955911 |
APEX aperture | 8 |
Maximum land aperture | 4 APEX (f/4) |
Subject distance | 0.777 meters |
Flash | Flash did not fire |
Color space | Uncalibrated |
Focal plane X resolution | 1,666.67 |
Focal plane Y resolution | 1,666.67 |
Focal plane resolution unit | 3 |
Focal length in 35 mm film | 84 mm |
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