File:180531-N-PO203-0057 (27622706847).jpg
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Original file (4,928 × 3,280 pixels, file size: 2.11 MB, MIME type: image/jpeg)
Captions
Captions
Summary
[edit]Description180531-N-PO203-0057 (27622706847).jpg | Charles A. Czeisler, Ph.D., MD, director, Division of Sleep Medicine, Harvard Medical School and Chief, Division of Sleep and Circadian Disorder, Brigham and Women's Hospital, discusses sleep and circadian rhythms and the impact on performance, health and safety of Navy and Marine Corps personnel during a Distinguished Lecture Series held at the Office of Naval Research. (U.S. Navy photo by John F. Williams/Released) |
Date | |
Source | 180531-N-PO203-0057 |
Author | Office of Naval Research from Arlington, United States |
Camera location | 38° 52′ 51.16″ N, 77° 06′ 31.25″ W ![]() | View this and other nearby images on: OpenStreetMap | ![]() |
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Licensing
[edit]Public domainPublic domainfalsefalse |
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This file is a work of a sailor or employee of the U.S. Navy, taken or made as part of that person's official duties. As a work of the U.S. federal government, it is in the public domain in the United States.
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This file has been identified as being free of known restrictions under copyright law, including all related and neighboring rights. |
https://creativecommons.org/publicdomain/mark/1.0/PDMCreative Commons Public Domain Mark 1.0falsefalse
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This image, originally posted to Flickr, was reviewed on 22 March 2020 by the administrator or reviewer Ww2censor, who confirmed that it was available on Flickr under the stated license on that date. |
File history
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 22:50, 18 March 2020 | ![]() | 4,928 × 3,280 (2.11 MB) | Dudek1337 (talk | contribs) | Transferred from Flickr via #flickr2commons |
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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.
Image title |
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Camera manufacturer | NIKON CORPORATION |
Camera model | NIKON D4S |
Author | John F. Williams |
Copyright holder |
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Exposure time | 1/160 sec (0.00625) |
F-number | f/3.2 |
ISO speed rating | 1,600 |
Date and time of data generation | 13:20, 31 May 2018 |
Lens focal length | 200 mm |
Credit/Provider | Office of Naval Research |
Source | Digital |
Headline | Distinguished Lecture Series Featuring Dr. Charles A. Czeisler |
Short title |
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City shown | Arlington |
Width | 4,928 px |
Height | 3,280 px |
Bits per component |
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Pixel composition | RGB |
Orientation | Normal |
Number of components | 3 |
Horizontal resolution | 300 dpi |
Vertical resolution | 300 dpi |
Software used | Adobe Photoshop CC 2018 (Macintosh) |
File change date and time | 16:02, 31 May 2018 |
White point chromaticity |
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Chromaticities of primarities |
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Color space transformation matrix coefficients |
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Y and C positioning | Co-sited |
Exposure Program | Manual |
Exif version | 2.3 |
Date and time of digitizing | 13:20, 31 May 2018 |
Meaning of each component |
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Image compression mode | 4 |
APEX shutter speed | 7.321928 |
APEX aperture | 3.356144 |
APEX exposure bias | 0 |
Maximum land aperture | 3 APEX (f/2.83) |
Metering mode | Pattern |
Light source | Unknown |
Flash | Flash did not fire |
DateTime subseconds | 61 |
DateTimeOriginal subseconds | 61 |
DateTimeDigitized subseconds | 61 |
Supported Flashpix version | 1 |
Color space | Uncalibrated |
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 | Manual exposure |
White balance | Manual white balance |
Digital zoom ratio | 1 |
Focal length in 35 mm film | 200 mm |
Scene capture type | Standard |
Scene control | High gain up |
Contrast | Normal |
Saturation | Normal |
Sharpness | Normal |
Subject distance range | Unknown |
GPS tag version | 0.0.3.2 |
Serial number of camera | 2024553 |
Lens used | 70.0-200.0 mm f/2.8 |
Rating (out of 5) | 0 |
Date metadata was last modified | 12:02, 31 May 2018 |
Original transmission location code | 7897 |
Copyright status | Copyrighted |
Unique ID of original document | 1C373F0E92F343D297689CBB097BC802 |
Contact information | john.f.williams3.ctr@navy.mil
875 N. Randolph St. Room 1218B Arlington, VA, 22203 USA |
Keywords |
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Sublocation of city shown | ARLINGTON |
Province or state shown | Va. |
Country shown | USA |
IIM version | 3 |